(x + a)(x + b) (Baldor)
| __ | 1. | ((m-6)(m-5) | | A. | a2+3a+2 | | __ | 2. | (a+1)(a+2) | | B. | x2+3x-10 | | __ | 3. | (a-11)(a+10) | | C. | m2-11m+30 | | __ | 4. | (n-19)(n+10) | | D. | x2+x-2 | | __ | 5. | (x+2)(x+4) | | E. | a2-a-110 | | __ | 6. | (x+2)(x-1) | | F. | x2+6x+8 | | __ | 7. | (x+5)(x-2) | | G. | x2+4x-21 | | __ | 8. | (x+7)(x-3) | | H. | x2-4x+3 | | __ | 9. | (x-3)(x-1) | | I. | x2-x-20 | | __ | 10. | (x-5)(x+4) | | J. | n2-9n-190 |
| __ | 11. | (a2+5)(a2-9) | | A. | x4-8x2+7 | | __ | 12. | (a4+8)(a4-1) | | B. | n4+19n2-20 | | __ | 13. | (a5-2)(a5+7) | | C. | a4-4a2-45 | | __ | 14. | (a6+7)(a6-9) | | D. | x6+x3-42 | | __ | 15. | (ab+5)(ab-6) | | E. | n6-3n3-18 | | __ | 16. | (n2-1)(n2+20) | | F. | a8+7a4-8 | | __ | 17. | (n3+3)(n3-6) | | G. | a2b2-ab-30 | | __ | 18. | (x2-1)(x2-7) | | H. | a10+5a5-14 | | __ | 19. | (x3+7)(x3-6) | | I. | a12-2a6-63 | | __ | 20. | (xy2-9)(xy2+12) | | J. | x2y4+3xy2-108 |
| __ | 21. | (a2b2-1)(a2b2+7) | | A. | a4b4+6a2b2-7 | | __ | 22. | (ax+1-6)(ax+1-5) | | B. | a2x+5ax-24 | | __ | 23. | (ax-3)(ax+8) | | C. | a2x+2-11ax+1+30 | | __ | 24. | (x3y3-6)(x3y3+8) | | D. | x6y6+2x3y3-48 |
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Altres proves d'interés :