Factor_común_binomio_opcional
| __ | 1. | -m-n+x(m+n) | | A. | (m-n)(4x-1) | | __ | 2. | 4m -12mn | | B. | (m+n)(-1+x) | | __ | 3. | 4x(m-n)+n-m | | C. | (x-1)(2) | | __ | 4. | 5x(2a-3b)+y(2a-3b) | | D. | (2a-3b)(5x+y) | | __ | 5. | 5x+7x2+9x4 | | E. | (a-b+1)(a3-b2) | | __ | 6. | 12x3y4-39x4y3 | | F. | 3x3y3(4y-13x) | | __ | 7. | 15y2+20y6-5y | | G. | x(5+7x+9x3) | | __ | 8. | 25x7-10x2+15x4 | | H. | (5y)(3y+4y5-1) | | __ | 9. | a(x-1)-(a+2)(x-1) | | I. | (5x2)(5x5-2+3x2) | | __ | 10. | a3(a-b+1)-b2(a-b+1) | | J. | (4m)(1-3n) |
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