casos de factorizacion
| __ | 1. | (3x+2y)2 | | A. | a(a2+a+1) | | __ | 2. | (a+b)3 | | B. | 9x2+12xy+4y2 | | __ | 3. | 2y+2j+3xy+3xj | | C. | (2+3x)(y+j) | | __ | 4. | 4x2+12x+9 | | D. | (x+y)2-xy | | __ | 5. | 9y2+4x2 | | E. | (3y+2x)(3y-2x) | | __ | 6. | a2+2a-15 | | F. | (a+5)(a-3) | | __ | 7. | a2+a | | G. | (x+1)(x2-x+1) | | __ | 8. | a3+a2+a | | H. | (2x+3)2 | | __ | 9. | x2+xy+y2 | | I. | a3+3a2b+3ab2+b3 | | __ | 10. | x3+1 | | J. | a(a+1) |
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