Binomio al cuadrado (-) (Baldor)
| __ | 1. | (2a-3b)2 | | A. | a2-6a+9 | | __ | 2. | (3a4-5b2)2 | | B. | a2-18a+81 | | __ | 3. | (4ax-1)2 | | C. | x2-14x+49 | | __ | 4. | (9-a)2 | | D. | a14-2a7b7+b14 | | __ | 5. | (a-3)2 | | E. | 4a2-12ab+9b2 | | __ | 6. | (a3-b3)2 | | F. | 16s2x2-8ax+1 | | __ | 7. | (a7-b7)2 | | G. | 9a8-30a4b2+25b4 | | __ | 8. | (x-7)2 | | H. | x4-2x2+1 | | __ | 9. | (x2-1)2 | | I. | a6-2a3b3+b6 | | __ | 10. | (x5-3ay2)2 | | J. | x10-6ax5y2+9a2y4 |
| __ | 11. | (2m-3n)2 | | A. | a2x-4-10ax-2+25 | | __ | 12. | (10x3-9xy5)2 | | B. | 100x6-180x4y5+81y10 | | __ | 13. | (ax-2-5)2 | | C. | x2a+2-6x2a-1+9x2a-4 | | __ | 14. | (xa+1-3xa-2)2 | | D. | 4m2-12mn+9n2 | | __ | 15. | (xm-yn)2 | | E. | xam-2xm yn+y2n |
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