Baldor Ejercicio 41 (1-14)
| __ | 1. | (-4y+5x)(-3x+2y) | | A. | a2-2a-3 | | __ | 2. | (-a-2)(-a-3) | | B. | a2+2a-3 | | __ | 3. | (-x+3)(-x+5) | | C. | x2+x-20 | | __ | 4. | (3x-2y)(y+2x) | | D. | m2-11m+30 | | __ | 5. | (5a-7b)(a+3b) | | E. | x2-8x+15 | | __ | 6. | (7x-3)(4+2x) | | F. | a2+5a+6 | | __ | 7. | (a+3)(a-1) | | G. | -15x2+22xy-8y2 | | __ | 8. | (a-3)(a+1) | | H. | 6x2-xy-2y2 | | __ | 9. | (m-6)(m-5) | | I. | 5a2+8ab-21b2 | | __ | 10. | (x+5)(x-4) | | J. | 14x2+22x-12 |
| __ | 11. | (-7y-3)(-11+2y) | | A. | -8a2-12ab-4b2 | | __ | 12. | (-a+b)(-4b+8a) | | B. | 6m2-11mn+5n2 | | __ | 13. | (6m-5n)(-n+m) | | C. | 48m2+22mn-36n2 | | __ | 14. | (8m-9n)(4n+6m) | | D. | -14y2+71y+33 |
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