Ecuatii de gradul II

1. 2d²+17d-13=0

2. 5x²-2x-6=0

3. 5m²-2m-16=0

4. 8y²-7y+2=0

5. 11y²+4y-2=0

6. 16x²+5x-19=0

7. 20z²-18z-16=0

8. 15x²+17x-5=0

9. 17b²+4b-12=0

10. 18x²+4x-10=0

11. 10n²+6n-16=0

12. 10y²-17y-5=0

13. 8n²-17n+16=0

14. 12n²-17n-19=0

15. 7z²-20z-13=0

16. 7m²+12m+5=0

17. 2c²+16c-18=0

18. z²+11z+1=0

19. 8a²-12a-6=0

20. 14y²+8y+9=0

21. 3p²+p-18=0

22. 5t²+3t-10=0

23. 9n²-2n-1=0

24. 4x²+4x-4=0

25. 20y²+15y-4=0

26. 19m²+9m-13=0

27. 18b²+6b+1=0

28. 19n²+8n-15=0

29. 9n²-n-6=0

30. 4x²+9x+5=0

31. 10n²+12n+14=0

32. 15y²-2y+4=0

33. 2x²-15x+16=0

34. 6n²-8n+11=0

35. 20t²+19t-7=0

36. 7v²+3v-13=0

37. 16n²+4n-8=0

38. 15m²-11m-14=0

39. 10a²-18a+2=0

40. 10a²+18a+17=0

41. 12a²-4a-3=0

42. 19t²-16t-19=0

43. 16b²-17b-1=0

44. 16m²-4m+17=0

45. 11a²+12a-11=0

46. 9y²+4y+1=0

47. 9a²-12a+18=0

48. 6p²+7p-5=0

49. 2x²-17x-12=0

50. 10x²-17x-19=0

51. 10x²-16x-12=0

52. 20y²-14y+14=0

53. 7x²-15x+18=0

54. 8b²-19b-9=0

55. 19y²+11y-15=0

56. 9m²-18m-3=0

57. 19x²-12x-8=0

58. 8n²-7n-18=0

59. 15c²+11c+8=0

60. 20x²+6x-15=0

61. 13z²+13z-14=0

62. 18y²-13y+7=0

63. 5y²-12y-11=0

64. 6y²-19y-18=0

65. 17v²+16v+20=0

66. 7n²-12n-14=0

67. 15n²+12n-9=0

68. 3a²+13a-4=0

69. 20y²+17y-7=0

70. 3t²+11t-15=0

71. 13a²+a+10=0

72. 3a²-a+12=0

73. 9y²+5y+10=0

74. 5a²+a-1=0

75. 9c²+15c+16=0

76. 11y²-10y-14=0

77. 3c²+12c-8=0

78. 6x²-4x+7=0

79. 14z²+14z-17=0

80. 20d²-16d-5=0

81. 18n²-8n+4=0

82. 19x²+11x-6=0

83. 11n²+20n-1=0

84. 10p²-5p-16=0

85. 6n²-19n-6=0

86. 3n²+18n+7=0

87. 3x²-3x+3=0

88. 20x²+11x-8=0

89. 7a²-3a-7=0

90. 15m²-5m-15=0

91. 16n²+20n+6=0

92. 9d²-8d-4=0

93. 20x²-4x+15=0

94. 12m²-5m-3=0

95. 12n²-3n-14=0

96. 19y²+18y-14=0

97. 16d²+10d-16=0

98. 19y²-20y-5=0

99. 10m²+8m+5=0

100. 14c²+3c-9=0

101. 16x²+13x+6=0

102. 14a²+4a-13=0

103. 11x²-11x-3=0

104. 4y²-8y-14=0

105. 14a²-3a+6=0

106. x²-x-17=0

107. 14c²-11c+7=0

108. 11x²-7x-7=0

109. 10z²-10z-2=0

110. 19x²-13x+7=0

111. 9v²-2v+7=0

112. 4m²-2m-3=0

113. 20x²-15x-13=0

114. 12t²-13t-20=0

115. 6a²+19a+3=0

116. 17n²+19n+19=0

117. 19d²-11d-1=0

118. 10a²+20a-13=0

119. 18x²+20x-15=0

120. 11a²-20a+10=0

121. 6z²+4z-14=0

122. 14n²+16n-17=0

123. 10b²+10b-18=0

124. 5n²+10n+5=0

125. 3n²+13n+6=0

126. 12z²-10z-8=0

127. 10n²-4n+12=0

128. 2x²+17x-9=0

129. 5n²+11n-8=0

130. 9n²-n-16=0

131. 10n²+12n-11=0

132. 16x²-7x-12=0

133. x²-7x+11=0

134. 10y²+5y-6=0

135. 19p²+6p-3=0

136. 3z²-6z-15=0

137. 8a²-18a-13=0

138. 9d²+4d-5=0

139. 18x²+12x-11=0

140. 19d²+11d+7=0

141. 4n²-2n+13=0

142. 15n²-17n-6=0

143. 14p²-15p-6=0

144. 11c²-4c-1=0

145. 11n²+11n-1=0

146. 9p²+14p+12=0

147. 14x²+14x+5=0

148. 16a²-3a+17=0

149. 15n²-9n+3=0

150. 10b²+14b+9=0

151. 18b²+17b-17=0

152. 11a²+11a-1=0

153. 13y²-13y-2=0

154. 2x²-20x+9=0

155. 5t²-8t+16=0

156. y²+11y-13=0

157. 5n²+3n-9=0

158. 6c²+2c-16=0

159. 20n²-14n+10=0

160. 5v²+13v-5=0

161. 9d²-6d+18=0

162. 8t²-10t-20=0

163. 13p²-13p-5=0

164. p²-5p+15=0

165. 15a²-18a-3=0

166. 3n²-19n-7=0

167. 10m²-6m-18=0

168. 12a²+7a-14=0

169. 7a²+3a-13=0

170. 14x²+17x-18=0

171. 15d²+20d-3=0

172. 2x²+16x+8=0

173. 18v²+20v-13=0

174. 10n²+16n-3=0

175. 5m²-17m+7=0

176. 4v²+16v+9=0

177. 3a²+9a-6=0

178. 12x²+4x-5=0

179. 10d²-14d-12=0

180. 9x²-18x+14=0

181. 8m²+7m-17=0

182. 14v²-10v-20=0

183. 6n²+18n-3=0

184. 16m²-8m+19=0

185. 9c²-10c-20=0

186. 8x²-3x-6=0

187. 5b²+16b-15=0

188. 18p²+7p-17=0

189. 2n²-8n-8=0

190. 2n²-13n+2=0

191. 9v²-9v+11=0

192. 2n²-9n+18=0

193. 11c²+8c+15=0

194. 10y²+6y-13=0

195. 20z²+15z-10=0

196. 17y²+15y-14=0

197. 6c²+18c-1=0

198. 6x²+4x-14=0

199. 20c²-2c-8=0

200. c²-15c-11=0

201. 9n²+3n-5=0

Proiect: Transformarea energiei de oxido-reducere in bioluminiscenta Referat: Legile fundamentale ale chimiei

202. 2y²+12y-13=0

203. 3n²-20n-14=0

204. 16v²-9v-9=0

205. 15v²+7v+1=0

206. 13y²+3y-6=0

207. 4y²+4y+14=0

208. 7m²-5m+7=0

209. 13d²-18d+15=0

210. 4x²-8x-17=0

211. 8t²+20t+20=0

212. 8c²+3c-4=0

213. 5n²-17n-12=0

214. 16z²+7z-10=0

215. 3x²-8x+12=0

216. 10n²-4n-3=0

217. 16x²-9x-6=0

218. 15n²+3n-6=0

219. 2x²-2x-16=0

220. 6y²-10y-15=0

221. 18m²+m+1=0

222. 14z²-17z-7=0

223. 2n²-12n+1=0

224. 17z²+14z-13=0

225. 17a²-5a-3=0

226. 4p²+2p-16=0

227. 17p²-15p-14=0

228. 9b²+4b-17=0

229. 6n²-15n-5=0

230. 19v²-19v-11=0

231. 6x²+11x-5=0

232. 10n²+17n-10=0

233. 14t²+20t-18=0

234. 15v²-20v-7=0

235. 3a²-8a-8=0

236. 2x²+8x-13=0

237. 19y²+10y-4=0

238. 16n²-14n-9=0

239. 6v²-12v-8=0

240. 17x²-3x+3=0

241. 7v²+8v-14=0

242. 13n²+7n-19=0

243. 19m²+3m-9=0

244. 14x²-18x-14=0

245. 4t²+11t-5=0

246. x²+7x+17=0

247. 17x²-18x+12=0

248. 4n²-19n-11=0

249. 20t²-2t+1=0

250. 18a²-6a+9=0

251. 16y²+7y-2=0

252. 13a²+7a-9=0

253. 17x²-20x-16=0

254. 20b²+5b-10=0

255. 7x²+15x-7=0

256. 15c²-11c-13=0

257. 14y²+y-9=0

258. 3c²-17c-2=0

259. 17v²+12v+3=0

260. 6c²-18c+20=0

261. 3z²-18z+5=0

262. 11n²-19n+9=0

263. 5n²-7n-2=0

264. 15n²+13n-6=0

265. 16n²+19n-2=0

266. 6v²+6v-3=0

267. 4x²-11x-12=0

268. 8x²+17x+8=0

269. 8n²+20n-8=0

270. 5b²+14b-2=0

271. 11b²+2b-8=0

272. 20y²+y-11=0

273. 17x²+19x-12=0

274. 5a²-3a-9=0

275. 10z²-15z-11=0

276. 11n²+5n+5=0

277. 20x²+11x-17=0

278. 19a²+5a-1=0

279. 20t²-16t-14=0

280. 15m²-15m+14=0

281. 17x²+12x+15=0

282. x²-15x+8=0

283. 16n²+14n-20=0

284. 7x²-16x+10=0

285. 17n²-20n-10=0

286. 2p²+3p-13=0

287. 5y²-19y-7=0

288. 14x²-16x-5=0

289. 7y²-19y-1=0

290. 16n²-18n-2=0

291. 4x²+8x-6=0

292. 15d²-12d-10=0

293. 9x²-11x-17=0

294. 17x²+7x+9=0

295. 16n²+2n-6=0

296. 15x²+20x-11=0

297. 12p²+10p+6=0

298. 18t²+14t-18=0

299. 9d²+13d-3=0

300. 9t²-6t+10=0

301. 16x²+14x+16=0

302. 7t²+9t+12=0

303. 10n²+16n+4=0

304. 19b²-15b+20=0

305. n²+8n-17=0

306. 2n²-2n-19=0

307. 13y²-16y+16=0

308. 15y²-3y-9=0

309. x²+14x+7=0

310. 4d²+7d-10=0

311. 4a²-11a+8=0

312. 11n²+8n-17=0

313. 10b²-16b-20=0

314. 17x²-10x+13=0

315. 12p²+17p-19=0

316. 3d²+2d+7=0

317. 16x²-20x-8=0

318. 17c²-8c-20=0

319. 18t²-16t-18=0

320. 15a²+2a-1=0

321. 3x²+5x-10=0

322. 14c²+12c+17=0

323. 7x²-17x-20=0

324. 14n²+5n-18=0

325. 7a²-19a+13=0

326. 15n²+2n+1=0

327. 4x²+20x-3=0

328. 14a²-a-11=0

329. 13y²+4y+4=0

330. 6n²+13n-14=0

331. 8b²-b-19=0

332. 14c²+5c+9=0

333. 4m²+12m-20=0

334. 14n²-18n+14=0

335. 19y²-15y-12=0

336. m²+5m-3=0

337. 18v²-14v-17=0

338. 9n²+2n-6=0

339. 9n²+17n-12=0

340. 19m²+17m-10=0

341. 7t²+18t-19=0

342. 2x²+18x-5=0

343. 12n²-11n+5=0

344. 16n²+9n-6=0

345. 17m²-19m-17=0

346. 14a²-20a-19=0

347. 14y²+11y+8=0

348. 9a²-12a-19=0

349. 15a²+13a+18=0

350. 8x²-17x-6=0

351. 4x²+13x-10=0

352. 10n²-13n-13=0

353. 19x²-16x-5=0

354. 3x²+10x-9=0

355. 4d²+18d+4=0

356. v²-19v-11=0

357. 11x²-10x-4=0

358. 12a²+18a+5=0

359. 15x²+3x-3=0

360. 16y²+16y+16=0

361. 2x²+2x-12=0

362. 18a²+12a-6=0

363. 6z²+2z+19=0

364. 3x²+8x-3=0

365. 18d²+7d-17=0

366. 15v²+2v-10=0

367. 19b²+10b-18=0

368. 11x²-4x-3=0

369. 18a²-11a-20=0

370. 11c²-15c-10=0

371. 19y²+7y+16=0

372. c²-c-4=0

373. 17x²-11x-7=0

374. 10z²-z-3=0

375. 18y²+16y-11=0

376. 4d²+2d+11=0

377. 14a²+14a-7=0

378. 7c²-20c-15=0

379. v²+2v-10=0

380. 17m²-2m-12=0

381. 20t²+15t+12=0

382. 12n²+18n-4=0

383. 7y²-y-19=0

384. 11m²+4m-7=0

385. 6d²+8d-15=0

386. 15d²+6d-20=0

387. 20p²-13p-16=0

388. 16n²-5n-10=0

389. 6n²+10n-20=0

390. 16p²-20p-7=0

391. 10z²+19z+11=0

392. 6x²-9x+19=0

393. 20d²-11d-2=0

394. 2y²+y-1=0

395. 13x²-9x-16=0

396. 20x²+9x+13=0

397. n²-3n-9=0

398. 8b²+5b+17=0

399. 5c²-14c-16=0

400. 13n²-10n-12=0

401. 4y²-16y+18=0

402. 8n²-16n-1=0

403. 13n²-8n-6=0

404. 8n²-12n-16=0

405. 17v²-18v+4=0

406. 17a²+7a-10=0

407. x²+5x+1=0

408. 16m²-13m-16=0

409. 3m²-6m+14=0

410. 11c²-18c+14=0

411. 6c²-8c+6=0

412. 10t²+2t-15=0

413. 6n²+18n-1=0

414. 3a²+20a-4=0

415. 4m²-2m-2=0

416. 18m²-13m+13=0

417. 2z²+8z+1=0

418. 20n²+9n+5=0

419. 16n²-14n+3=0

420. 2n²-17n-15=0

421. 19n²+7n+10=0

422. 6a²-15a-4=0

423. 16b²-15b-10=0

424. 6x²-4x-2=0

425. 18x²+11x-7=0

426. x²-4x-15=0

427. 10p²-19p-6=0

428. 17n²+17n-1=0

429. 4m²+11m-14=0

430. 5x²+18x+8=0

431. 5x²+4x+2=0

432. 6m²+17m+7=0

433. 19a²+7a-4=0

434. 16v²-15v+8=0

435. m²-8m-5=0

436. 16n²-13n-2=0

437. 14a²+19a-8=0

438. 7x²-12x-4=0

439. 18m²+12m-15=0

440. 11z²+4z-3=0

441. a²+20a-10=0

442. 12x²+18x+18=0

443. 9x²-10x+11=0

444. 15c²-7c-1=0

445. 14m²+4m-3=0

446. 15b²-18b-3=0

447. 13p²+7p-9=0

448. 5c²+14c-10=0

449. 8y²+6y-20=0

450. n²-11n-19=0

451. 10n²-19n-7=0

452. 20m²-2m+4=0

453. 13m²+2m-8=0

454. 4x²-12x-6=0

455. 2m²+17m-16=0

456. 17c²+11c+15=0

457. 15n²+12n-8=0

458. 9b²+12b+1=0

459. 7y²-4y-5=0

460. 3n²+5n-4=0

461. 11x²+4x-10=0

462. 19n²+9n-3=0

463. 13p²-13p-15=0

464. 9n²+n+13=0

465. 4m²-m-13=0

466. 5t²+13t+16=0

467. 11x²+9x+17=0

468. 11a²+18a-17=0

469. 13x²-18x-15=0

470. 16x²+11x-11=0

471. 8y²-13y+6=0

472. 3m²-14m-4=0

473. 18m²+12m-11=0

474. 20n²+5n-6=0

475. 13x²-11x-2=0

476. 16x²+15x+5=0

477. 7x²+16x-20=0

478. t²+18t+20=0

479. 17a²+18a-18=0

480. 6x²+11x-12=0

481. 18x²+2x-3=0

482. 20n²-12n-13=0

483. 6m²-13m+12=0

484. 4a²+15a+9=0

485. 18p²-14p+16=0

486. 14p²-19p-14=0

487. 9t²+5t+18=0

488. 7x²+5x-11=0

489. 17a²-a-6=0

490. 5t²+16t-17=0

491. 19x²-13x+14=0

492. 17a²-12a+15=0

493. 5x²+11x-7=0

494. 18c²+13c-3=0

495. 14v²+13v+2=0

496. 5x²-19x-13=0

497. 19a²+5a+15=0

498. 12x²+20x-6=0

499. 11n²-n-10=0

500. 19c²+9c-4=0

RASPUNSURI

1. R: d1=(-17+/393)/4,d2=(-17-/393)/4

2. R: x1=(1+/31)/5,x2=(1-/31)/5

3. R: m1=2,m2=-8/5

4. R: Nu are solutii

5. R: y1=(-2+/26)/11,y2=(-2-/26)/11

6. R: x1=(-5+/1241)/32,x2=(-5-/1241)/32

7. R: z1=(9+/401)/20,z2=(9-/401)/20

8. R: x1=(-17+/589)/30,x2=(-17-/589)/30

9. R: b1=(-2+4/13)/17,b2=(-2-4/13)/17

10. R: x1=(-1+/46)/9,x2=(-1-/46)/9

11. R: n1=1,n2=-8/5

12. R: y1=(17+/489)/20,y2=(17-/489)/20

13. R: Nu are solutii

14. R: n1=(17+/1201)/24,n2=(17-/1201)/24

15. R: z1=(10+/191)/7,z2=(10-/191)/7

16. R: m1=-5/7,m2=-1

17. R: c1=1,c2=-9

18. R: z1=(-11+3/13)/2,z2=(-11-3/13)/2

19. R: a1=(3+/21)/4,a2=(3-/21)/4

20. R: Nu are solutii

21. R: p1=(-1+/217)/6,p2=(-1-/217)/6

22. R: t1=(-3+/209)/10,t2=(-3-/209)/10

23. R: n1=(1+/10)/9,n2=(1-/10)/9

24. R: x1=(-1+/5)/2,x2=(-1-/5)/2

25. R: y1=(-15+/545)/40,y2=(-15-/545)/40

26. R: m1=(-9+/1069)/38,m2=(-9-/1069)/38

27. R: Nu are solutii

28. R: n1=(-4+/301)/19,n2=(-4-/301)/19

29. R: n1=(1+/217)/18,n2=(1-/217)/18

30. R: x1=-1,x2=-5/4

31. R: Nu are solutii

32. R: Nu are solutii

33. R: x1=(15+/97)/4,x2=(15-/97)/4

34. R: Nu are solutii

35. R: t1=(-19+/921)/40,t2=(-19-/921)/40

36. R: v1=(-3+/373)/14,v2=(-3-/373)/14

37. R: n1=(-1+/33)/8,n2=(-1-/33)/8

38. R: m1=7/5,m2=-2/3

39. R: a1=(9+/61)/10,a2=(9-/61)/10

40. R: Nu are solutii

41. R: a1=(1+/10)/6,a2=(1-/10)/6

42. R: t1=(8+5/17)/19,t2=(8-5/17)/19

43. R: b1=(17+/353)/32,b2=(17-/353)/32

44. R: Nu are solutii

45. R: a1=(-6+/157)/11,a2=(-6-/157)/11

46. R: Nu are solutii

47. R: Nu are solutii

48. R: p1=1/2,p2=-5/3

49. R: x1=(17+/385)/4,x2=(17-/385)/4

50. R: x1=(17+/1049)/20,x2=(17-/1049)/20

51. R: x1=(4+/46)/5,x2=(4-/46)/5

52. R: Nu are solutii

53. R: Nu are solutii

54. R: b1=(19+/649)/16,b2=(19-/649)/16

55. R: y1=(-11+/1261)/38,y2=(-11-/1261)/38

56. R: m1=(3+2/3)/3,m2=(3-2/3)/3

57. R: x1=(6+2/47)/19,x2=(6-2/47)/19

58. R: n1=2,n2=-9/8

59. R: Nu are solutii

60. R: x1=(-3+/309)/20,x2=(-3-/309)/20

61. R: z1=(-13+/897)/26,z2=(-13-/897)/26

62. R: Nu are solutii

63. R: y1=(6+/91)/5,y2=(6-/91)/5

64. R: y1=(19+/793)/12,y2=(19-/793)/12

65. R: Nu are solutii

66. R: n1=(6+/134)/7,n2=(6-/134)/7

67. R: n1=(-2+/19)/5,n2=(-2-/19)/5

68. R: a1=(-13+/217)/6,a2=(-13-/217)/6

69. R: y1=(-17+/849)/40,y2=(-17-/849)/40

70. R: t1=(-11+/301)/6,t2=(-11-/301)/6

71. R: Nu are solutii

72. R: Nu are solutii

73. R: Nu are solutii

74. R: a1=(-1+/21)/10,a2=(-1-/21)/10

75. R: Nu are solutii

76. R: y1=(5+/179)/11,y2=(5-/179)/11

77. R: c1=(-6+2/15)/3,c2=(-6-2/15)/3

78. R: Nu are solutii

79. R: z1=(-7+/287)/14,z2=(-7-/287)/14

80. R: d1=(4+/41)/10,d2=(4-/41)/10

81. R: Nu are solutii

82. R: x1=(-11+/577)/38,x2=(-11-/577)/38

83. R: n1=(-10+/111)/11,n2=(-10-/111)/11

84. R: p1=(5+/665)/20,p2=(5-/665)/20

85. R: n1=(19+/505)/12,n2=(19-/505)/12

86. R: n1=(-9+2/15)/3,n2=(-9-2/15)/3

87. R: Nu are solutii

88. R: x1=(-11+/761)/40,x2=(-11-/761)/40

89. R: a1=(3+/205)/14,a2=(3-/205)/14

90. R: m1=(1+/37)/6,m2=(1-/37)/6

91. R: n1=-1/2,n2=-3/4

92. R: d1=(4+2/13)/9,d2=(4-2/13)/9

93. R: Nu are solutii

94. R: m1=3/4,m2=-1/3

95. R: n1=(3+/681)/24,n2=(3-/681)/24

96. R: y1=(-9+/347)/19,y2=(-9-/347)/19

97. R: d1=(-5+/281)/16,d2=(-5-/281)/16

98. R: y1=(10+/195)/19,y2=(10-/195)/19

99. R: Nu are solutii

100. R: c1=(-3+3/57)/28,c2=(-3-3/57)/28

101. R: Nu are solutii

102. R: a1=(-2+/186)/14,a2=(-2-/186)/14

103. R: x1=(11+/253)/22,x2=(11-/253)/22

104. R: y1=(2+3/2)/2,y2=(2-3/2)/2

105. R: Nu are solutii

106. R: x1=(1+/69)/2,x2=(1-/69)/2

107. R: Nu are solutii

108. R: x1=(7+/357)/22,x2=(7-/357)/22

109. R: z1=(5+3/5)/10,z2=(5-3/5)/10

110. R: Nu are solutii

111. R: Nu are solutii

112. R: m1=(1+/13)/4,m2=(1-/13)/4

113. R: x1=(15+/1265)/40,x2=(15-/1265)/40

114. R: t1=(13+/1129)/24,t2=(13-/1129)/24

115. R: a1=-1/6,a2=-3

116. R: Nu are solutii

117. R: d1=(11+/197)/38,d2=(11-/197)/38

118. R: a1=(-10+/230)/10,a2=(-10-/230)/10

119. R: x1=(-10+/370)/18,x2=(-10-/370)/18

120. R: Nu are solutii

121. R: z1=(-1+/22)/3,z2=(-1-/22)/3

122. R: n1=(-8+/302)/14,n2=(-8-/302)/14

123. R: b1=(-5+/205)/10,b2=(-5-/205)/10

124. R: Nu are solutii

125. R: n1=(-13+/97)/6,n2=(-13-/97)/6

126. R: z1=4/3,z2=-1/2

127. R: Nu are solutii

128. R: x1=1/2,x2=-9

129. R: n1=(-11+/281)/10,n2=(-11-/281)/10

130. R: n1=(1+/577)/18,n2=(1-/577)/18

131. R: n1=(-6+/146)/10,n2=(-6-/146)/10

132. R: x1=(7+/817)/32,x2=(7-/817)/32

133. R: x1=(7+/5)/2,x2=(7-/5)/2

134. R: y1=(-5+/265)/20,y2=(-5-/265)/20

135. R: p1=(-3+/66)/19,p2=(-3-/66)/19

136. R: z1=1+/6,z2=1-/6

137. R: a1=(9+/185)/8,a2=(9-/185)/8

138. R: d1=5/9,d2=-1

139. R: x1=(-2+/26)/6,x2=(-2-/26)/6

140. R: Nu are solutii

141. R: Nu are solutii

142. R: n1=(17+/649)/30,n2=(17-/649)/30

143. R: p1=(15+/561)/28,p2=(15-/561)/28

144. R: c1=(2+/15)/11,c2=(2-/15)/11

145. R: n1=(-11+/165)/22,n2=(-11-/165)/22

146. R: Nu are solutii

147. R: Nu are solutii

148. R: Nu are solutii

149. R: Nu are solutii

150. R: Nu are solutii

151. R: b1=(-17+/1513)/36,b2=(-17-/1513)/36

152. R: a1=(-11+/165)/22,a2=(-11-/165)/22

153. R: y1=(13+/273)/26,y2=(13-/273)/26

154. R: x1=(10+/82)/2,x2=(10-/82)/2

155. R: Nu are solutii

156. R: y1=(-11+/173)/2,y2=(-11-/173)/2

157. R: n1=(-3+3/21)/10,n2=(-3-3/21)/10

158. R: c1=(-1+/97)/6,c2=(-1-/97)/6

159. R: Nu are solutii

160. R: v1=(-13+/269)/10,v2=(-13-/269)/10

161. R: Nu are solutii

162. R: t1=(5+/185)/8,t2=(5-/185)/8

163. R: p1=(13+/429)/26,p2=(13-/429)/26

164. R: Nu are solutii

165. R: a1=(3+/14)/5,a2=(3-/14)/5

166. R: n1=(19+/445)/6,n2=(19-/445)/6

167. R: m1=(3+3/21)/10,m2=(3-3/21)/10

168. R: a1=(-7+/721)/24,a2=(-7-/721)/24

169. R: a1=(-3+/373)/14,a2=(-3-/373)/14

170. R: x1=(-17+/1297)/28,x2=(-17-/1297)/28

171. R: d1=(-10+/145)/15,d2=(-10-/145)/15

172. R: x1=-4+2/3,x2=-4-2/3

173. R: v1=(-10+/334)/18,v2=(-10-/334)/18

174. R: n1=(-8+/94)/10,n2=(-8-/94)/10

175. R: m1=(17+/149)/10,m2=(17-/149)/10

176. R: v1=(-4+/7)/2,v2=(-4-/7)/2

177. R: a1=(-3+/17)/2,a2=(-3-/17)/2

178. R: x1=1/2,x2=-5/6

179. R: d1=2,d2=-3/5

180. R: Nu are solutii

181. R: m1=(-7+/593)/16,m2=(-7-/593)/16

182. R: v1=(5+/305)/14,v2=(5-/305)/14

183. R: n1=(-3+/11)/2,n2=(-3-/11)/2

184. R: Nu are solutii

185. R: c1=(5+/205)/9,c2=(5-/205)/9

186. R: x1=(3+/201)/16,x2=(3-/201)/16

187. R: b1=(-8+/139)/5,b2=(-8-/139)/5

188. R: p1=(-7+/1273)/36,p2=(-7-/1273)/36

189. R: n1=2+2/2,n2=2-2/2

190. R: n1=(13+3/17)/4,n2=(13-3/17)/4

191. R: Nu are solutii

192. R: Nu are solutii

193. R: Nu are solutii

194. R: y1=(-3+/139)/10,y2=(-3-/139)/10

195. R: z1=(-3+/41)/8,z2=(-3-/41)/8

196. R: y1=(-15+/1177)/34,y2=(-15-/1177)/34

197. R: c1=(-9+/87)/6,c2=(-9-/87)/6

198. R: x1=(-1+/22)/3,x2=(-1-/22)/3

199. R: c1=(1+/161)/20,c2=(1-/161)/20

200. R: c1=(15+/269)/2,c2=(15-/269)/2

201. R: n1=(-1+/21)/6,n2=(-1-/21)/6

202. R: y1=(-6+/62)/2,y2=(-6-/62)/2

203. R: n1=(10+/142)/3,n2=(10-/142)/3

204. R: v1=(9+3/73)/32,v2=(9-3/73)/32

205. R: Nu are solutii

206. R: y1=(-3+/321)/26,y2=(-3-/321)/26

207. R: Nu are solutii

208. R: Nu are solutii

209. R: Nu are solutii

210. R: x1=(2+/21)/2,x2=(2-/21)/2

211. R: Nu are solutii

212. R: c1=(-3+/137)/16,c2=(-3-/137)/16

213. R: n1=4,n2=-3/5

214. R: z1=(-7+/689)/32,z2=(-7-/689)/32

215. R: Nu are solutii

216. R: n1=(2+/34)/10,n2=(2-/34)/10

217. R: x1=(9+/465)/32,x2=(9-/465)/32

218. R: n1=(-1+/41)/10,n2=(-1-/41)/10

219. R: x1=(1+/33)/2,x2=(1-/33)/2

220. R: y1=(5+/115)/6,y2=(5-/115)/6

221. R: Nu are solutii

222. R: z1=(17+/681)/28,z2=(17-/681)/28

223. R: n1=(6+/34)/2,n2=(6-/34)/2

224. R: z1=(-7+3/30)/17,z2=(-7-3/30)/17

225. R: a1=(5+/229)/34,a2=(5-/229)/34

226. R: p1=(-1+/65)/4,p2=(-1-/65)/4

227. R: p1=(15+/1177)/34,p2=(15-/1177)/34

228. R: b1=(-2+/157)/9,b2=(-2-/157)/9

229. R: n1=(15+/345)/12,n2=(15-/345)/12

230. R: v1=(19+3/133)/38,v2=(19-3/133)/38

231. R: x1=(-11+/241)/12,x2=(-11-/241)/12

232. R: n1=(-17+/689)/20,n2=(-17-/689)/20

233. R: t1=(-5+2/22)/7,t2=(-5-2/22)/7

234. R: v1=(10+/205)/15,v2=(10-/205)/15

235. R: a1=(4+2/10)/3,a2=(4-2/10)/3

236. R: x1=(-4+/42)/2,x2=(-4-/42)/2

237. R: y1=(-5+/101)/19,y2=(-5-/101)/19

238. R: n1=(7+/193)/16,n2=(7-/193)/16

239. R: v1=(3+/21)/3,v2=(3-/21)/3

240. R: Nu are solutii

241. R: v1=(-4+/114)/7,v2=(-4-/114)/7

242. R: n1=(-7+/1037)/26,n2=(-7-/1037)/26

243. R: m1=(-3+3/77)/38,m2=(-3-3/77)/38

244. R: x1=(9+/277)/14,x2=(9-/277)/14

245. R: t1=(-11+/201)/8,t2=(-11-/201)/8

246. R: Nu are solutii

247. R: Nu are solutii

248. R: n1=(19+/537)/8,n2=(19-/537)/8

249. R: Nu are solutii

250. R: Nu are solutii

251. R: y1=(-7+/177)/32,y2=(-7-/177)/32

252. R: a1=(-7+/517)/26,a2=(-7-/517)/26

253. R: x1=(10+2/93)/17,x2=(10-2/93)/17

254. R: b1=(-1+/33)/8,b2=(-1-/33)/8

255. R: x1=(-15+/421)/14,x2=(-15-/421)/14

256. R: c1=(11+/901)/30,c2=(11-/901)/30

257. R: y1=(-1+/505)/28,y2=(-1-/505)/28

258. R: c1=(17+/313)/6,c2=(17-/313)/6

259. R: Nu are solutii

260. R: Nu are solutii

261. R: z1=(9+/66)/3,z2=(9-/66)/3

262. R: Nu are solutii

263. R: n1=(7+/89)/10,n2=(7-/89)/10

264. R: n1=1/3,n2=-6/5

265. R: n1=(-19+/489)/32,n2=(-19-/489)/32

266. R: v1=(-1+/3)/2,v2=(-1-/3)/2

267. R: x1=(11+/313)/8,x2=(11-/313)/8

268. R: x1=(-17+/33)/16,x2=(-17-/33)/16

269. R: n1=(-5+/41)/4,n2=(-5-/41)/4

270. R: b1=(-7+/59)/5,b2=(-7-/59)/5

271. R: b1=(-1+/89)/11,b2=(-1-/89)/11

272. R: y1=(-1+/881)/40,y2=(-1-/881)/40

273. R: x1=(-19+/1177)/34,x2=(-19-/1177)/34

274. R: a1=(3+3/21)/10,a2=(3-3/21)/10

275. R: z1=(15+/665)/20,z2=(15-/665)/20

276. R: Nu are solutii

277. R: x1=(-11+/1481)/40,x2=(-11-/1481)/40

278. R: a1=(-5+/101)/38,a2=(-5-/101)/38

279. R: t1=(4+/86)/10,t2=(4-/86)/10

280. R: Nu are solutii

281. R: Nu are solutii

282. R: x1=(15+/193)/2,x2=(15-/193)/2

283. R: n1=(-7+3/41)/16,n2=(-7-3/41)/16

284. R: Nu are solutii

285. R: n1=(10+3/30)/17,n2=(10-3/30)/17

286. R: p1=(-3+/113)/4,p2=(-3-/113)/4

287. R: y1=(19+/501)/10,y2=(19-/501)/10

288. R: x1=(8+/134)/14,x2=(8-/134)/14

289. R: y1=(19+/389)/14,y2=(19-/389)/14

290. R: n1=(9+/113)/16,n2=(9-/113)/16

291. R: x1=(-2+/10)/2,x2=(-2-/10)/2

292. R: d1=(6+/186)/15,d2=(6-/186)/15

293. R: x1=(11+/733)/18,x2=(11-/733)/18

294. R: Nu are solutii

295. R: n1=(-1+/97)/16,n2=(-1-/97)/16

296. R: x1=(-10+/265)/15,x2=(-10-/265)/15

297. R: Nu are solutii

298. R: t1=(-7+/373)/18,t2=(-7-/373)/18

299. R: d1=(-13+/277)/18,d2=(-13-/277)/18

300. R: Nu are solutii

301. R: Nu are solutii

302. R: Nu are solutii

303. R: n1=(-4+/6)/5,n2=(-4-/6)/5

304. R: Nu are solutii

305. R: n1=-4+/33,n2=-4-/33

306. R: n1=(1+/39)/2,n2=(1-/39)/2

307. R: Nu are solutii

308. R: y1=(1+/61)/10,y2=(1-/61)/10

309. R: x1=-7+/42,x2=-7-/42

310. R: d1=(-7+/209)/8,d2=(-7-/209)/8

311. R: Nu are solutii

312. R: n1=(-4+/203)/11,n2=(-4-/203)/11

313. R: b1=(4+/66)/5,b2=(4-/66)/5

314. R: Nu are solutii

315. R: p1=(-17+/1201)/24,p2=(-17-/1201)/24

316. R: Nu are solutii

317. R: x1=(5+/57)/8,x2=(5-/57)/8

318. R: c1=(4+2/89)/17,c2=(4-2/89)/17

319. R: t1=(4+/97)/9,t2=(4-/97)/9

320. R: a1=1/5,a2=-1/3

321. R: x1=(-5+/145)/6,x2=(-5-/145)/6

322. R: Nu are solutii

323. R: x1=(17+/849)/14,x2=(17-/849)/14

324. R: n1=(-5+/1033)/28,n2=(-5-/1033)/28

325. R: Nu are solutii

326. R: Nu are solutii

327. R: x1=(-5+2/7)/2,x2=(-5-2/7)/2

328. R: a1=(1+/617)/28,a2=(1-/617)/28

329. R: Nu are solutii

330. R: n1=(-13+/505)/12,n2=(-13-/505)/12

331. R: b1=(1+/609)/16,b2=(1-/609)/16

332. R: Nu are solutii

333. R: m1=(-3+/29)/2,m2=(-3-/29)/2

334. R: Nu are solutii

335. R: y1=(15+/1137)/38,y2=(15-/1137)/38

336. R: m1=(-5+/37)/2,m2=(-5-/37)/2

337. R: v1=(7+/355)/18,v2=(7-/355)/18

338. R: n1=(-1+/55)/9,n2=(-1-/55)/9

339. R: n1=(-17+/721)/18,n2=(-17-/721)/18

340. R: m1=(-17+/1049)/38,m2=(-17-/1049)/38

341. R: t1=(-9+/214)/7,t2=(-9-/214)/7

342. R: x1=(-9+/91)/2,x2=(-9-/91)/2

343. R: Nu are solutii

344. R: n1=(-9+/465)/32,n2=(-9-/465)/32

345. R: m1=(19+/1517)/34,m2=(19-/1517)/34

346. R: a1=(10+/366)/14,a2=(10-/366)/14

347. R: Nu are solutii

348. R: a1=(2+/23)/3,a2=(2-/23)/3

349. R: Nu are solutii

350. R: x1=(17+/481)/16,x2=(17-/481)/16

351. R: x1=(-13+/329)/8,x2=(-13-/329)/8

352. R: n1=(13+/689)/20,n2=(13-/689)/20

353. R: x1=(8+/159)/19,x2=(8-/159)/19

354. R: x1=(-5+2/13)/3,x2=(-5-2/13)/3

355. R: d1=(-9+/65)/4,d2=(-9-/65)/4

356. R: v1=(19+9/5)/2,v2=(19-9/5)/2

357. R: x1=(5+/69)/11,x2=(5-/69)/11

358. R: a1=(-9+/21)/12,a2=(-9-/21)/12

359. R: x1=(-1+/21)/10,x2=(-1-/21)/10

360. R: Nu are solutii

361. R: x1=2,x2=-3

362. R: a1=1/3,a2=-1

363. R: Nu are solutii

364. R: x1=1/3,x2=-3

365. R: d1=(-7+/1273)/36,d2=(-7-/1273)/36

366. R: v1=(-1+/151)/15,v2=(-1-/151)/15

367. R: b1=(-5+/367)/19,b2=(-5-/367)/19

368. R: x1=(2+/37)/11,x2=(2-/37)/11

369. R: a1=(11+/1561)/36,a2=(11-/1561)/36

370. R: c1=(15+/665)/22,c2=(15-/665)/22

371. R: Nu are solutii

372. R: c1=(1+/17)/2,c2=(1-/17)/2

373. R: x1=(11+/597)/34,x2=(11-/597)/34

374. R: z1=3/5,z2=-1/2

375. R: y1=(-8+/262)/18,y2=(-8-/262)/18

376. R: Nu are solutii

377. R: a1=(-1+/3)/2,a2=(-1-/3)/2

378. R: c1=(10+/205)/7,c2=(10-/205)/7

379. R: v1=-1+/11,v2=-1-/11

380. R: m1=(1+/205)/17,m2=(1-/205)/17

381. R: Nu are solutii

382. R: n1=(-9+/129)/12,n2=(-9-/129)/12

383. R: y1=(1+/533)/14,y2=(1-/533)/14

384. R: m1=7/11,m2=-1

385. R: d1=(-4+/106)/6,d2=(-4-/106)/6

386. R: d1=(-3+/309)/15,d2=(-3-/309)/15

387. R: p1=(13+3/161)/40,p2=(13-3/161)/40

388. R: n1=(5+/665)/32,n2=(5-/665)/32

389. R: n1=(-5+/145)/6,n2=(-5-/145)/6

390. R: p1=(5+/53)/8,p2=(5-/53)/8

391. R: Nu are solutii

392. R: Nu are solutii

393. R: d1=(11+/281)/40,d2=(11-/281)/40

394. R: y1=1/2,y2=-1

395. R: x1=(9+/913)/26,x2=(9-/913)/26

396. R: Nu are solutii

397. R: n1=(3+3/5)/2,n2=(3-3/5)/2

398. R: Nu are solutii

399. R: c1=(7+/129)/5,c2=(7-/129)/5

400. R: n1=(5+/181)/13,n2=(5-/181)/13

401. R: Nu are solutii

402. R: n1=(4+3/2)/4,n2=(4-3/2)/4

403. R: n1=(4+/94)/13,n2=(4-/94)/13

404. R: n1=(3+/41)/4,n2=(3-/41)/4

405. R: v1=(9+/13)/17,v2=(9-/13)/17

406. R: a1=10/17,a2=-1

407. R: x1=(-5+/21)/2,x2=(-5-/21)/2

408. R: m1=(13+/1193)/32,m2=(13-/1193)/32

409. R: Nu are solutii

410. R: Nu are solutii

411. R: Nu are solutii

412. R: t1=(-1+/151)/10,t2=(-1-/151)/10

413. R: n1=(-9+/87)/6,n2=(-9-/87)/6

414. R: a1=(-10+4/7)/3,a2=(-10-4/7)/3

415. R: m1=1,m2=-1/2

416. R: Nu are solutii

417. R: z1=(-4+/14)/2,z2=(-4-/14)/2

418. R: Nu are solutii

419. R: n1=1/2,n2=3/8

420. R: n1=(17+/409)/4,n2=(17-/409)/4

421. R: Nu are solutii

422. R: a1=(15+/321)/12,a2=(15-/321)/12

423. R: b1=(15+/865)/32,b2=(15-/865)/32

424. R: x1=1,x2=-1/3

425. R: x1=7/18,x2=-1

426. R: x1=2+/19,x2=2-/19

427. R: p1=(19+/601)/20,p2=(19-/601)/20

428. R: n1=(-17+/357)/34,n2=(-17-/357)/34

429. R: m1=(-11+/345)/8,m2=(-11-/345)/8

430. R: x1=(-9+/41)/5,x2=(-9-/41)/5

431. R: Nu are solutii

432. R: m1=-1/2,m2=-7/3

433. R: a1=(-7+/353)/38,a2=(-7-/353)/38

434. R: Nu are solutii

435. R: m1=4+/21,m2=4-/21

436. R: n1=(13+3/33)/32,n2=(13-3/33)/32

437. R: a1=(-19+/809)/28,a2=(-19-/809)/28

438. R: x1=2,x2=-2/7

439. R: m1=(-2+/34)/6,m2=(-2-/34)/6

440. R: z1=(-2+/37)/11,z2=(-2-/37)/11

441. R: a1=-10+/110,a2=-10-/110

442. R: Nu are solutii

443. R: Nu are solutii

444. R: c1=(7+/109)/30,c2=(7-/109)/30

445. R: m1=(-2+/46)/14,m2=(-2-/46)/14

446. R: b1=(3+/14)/5,b2=(3-/14)/5

447. R: p1=(-7+/517)/26,p2=(-7-/517)/26

448. R: c1=(-7+3/11)/5,c2=(-7-3/11)/5

449. R: y1=5/4,y2=-2

450. R: n1=(11+/197)/2,n2=(11-/197)/2

451. R: n1=(19+/641)/20,n2=(19-/641)/20

452. R: Nu are solutii

453. R: m1=(-1+/105)/13,m2=(-1-/105)/13

454. R: x1=(3+/15)/2,x2=(3-/15)/2

455. R: m1=(-17+/417)/4,m2=(-17-/417)/4

456. R: Nu are solutii

457. R: n1=(-6+2/39)/15,n2=(-6-2/39)/15

458. R: b1=(-2+/3)/3,b2=(-2-/3)/3

459. R: y1=(2+/39)/7,y2=(2-/39)/7

460. R: n1=(-5+/73)/6,n2=(-5-/73)/6

461. R: x1=(-2+/114)/11,x2=(-2-/114)/11

462. R: n1=(-9+/309)/38,n2=(-9-/309)/38

463. R: p1=(13+/949)/26,p2=(13-/949)/26

464. R: Nu are solutii

465. R: m1=(1+/209)/8,m2=(1-/209)/8

466. R: Nu are solutii

467. R: Nu are solutii

468. R: a1=(-9+2/67)/11,a2=(-9-2/67)/11

469. R: x1=(9+2/69)/13,x2=(9-2/69)/13

470. R: x1=(-11+5/33)/32,x2=(-11-5/33)/32

471. R: Nu are solutii

472. R: m1=(7+/61)/3,m2=(7-/61)/3

473. R: m1=(-2+/26)/6,m2=(-2-/26)/6

474. R: n1=(-5+/505)/40,n2=(-5-/505)/40

475. R: x1=1,x2=-2/13

476. R: Nu are solutii

477. R: x1=(-8+2/51)/7,x2=(-8-2/51)/7

478. R: t1=-9+/61,t2=-9-/61

479. R: a1=(-9+3/43)/17,a2=(-9-3/43)/17

480. R: x1=(-11+/409)/12,x2=(-11-/409)/12

481. R: x1=(-1+/55)/18,x2=(-1-/55)/18

482. R: n1=(3+/74)/10,n2=(3-/74)/10

483. R: Nu are solutii

484. R: a1=-3/4,a2=-3

485. R: Nu are solutii

486. R: p1=(19+/1145)/28,p2=(19-/1145)/28

487. R: Nu are solutii

488. R: x1=(-5+3/37)/14,x2=(-5-3/37)/14

489. R: a1=(1+/409)/34,a2=(1-/409)/34

490. R: t1=(-8+/149)/5,t2=(-8-/149)/5

491. R: Nu are solutii

492. R: Nu are solutii

493. R: x1=(-11+3/29)/10,x2=(-11-3/29)/10

494. R: c1=(-13+/385)/36,c2=(-13-/385)/36

495. R: v1=(-13+/57)/28,v2=(-13-/57)/28

496. R: x1=(19+3/69)/10,x2=(19-3/69)/10

497. R: Nu are solutii

498. R: x1=(-5+/43)/6,x2=(-5-/43)/6

499. R: n1=1,n2=-10/11

500. R: c1=(-9+/385)/38,c2=(-9-/385)/38

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