suma resta mult factor algebra 9
| __ | 1. | (2x-3y)-(-x+2y) | | A. | 5a+5b | | __ | 2. | (3a+2b-c)+(2a+3b+c) | | B. | -c | | __ | 3. | (7a-4b+5c)+(-7a+4b-6c) | | C. | x3-x2+2x+4 | | __ | 4. | (a+b)-(a-b) | | D. | 2x2-x | | __ | 5. | (a4-3a)+(a3+4a) | | E. | a4+a3-3a2+4a | | __ | 6. | (x+y-z)-(-x-y+z) | | F. | 2b | | __ | 7. | (x2+4x)+(-5x+x2) | | G. | 2x+2y-2z | | __ | 8. | (x2+y2-3xy)-(-y2+3x2-4xy) | | H. | -2x2+xy-2y2 | | __ | 9. | (x3+2x)+(-x^+4) | | I. | 3x-5y | | __ | 10. | (x3-x2+6)-(5x2-4x+6) | | J. | x3-6x2+4x |
| __ | 11. | 2x2+3x-2 | | A. | (a-b)2 | | __ | 12. | 9b2-30a2b+25a4 | | B. | a(a2-ax+x2) | | __ | 13. | 14x2y2-28x3+56x4 | | C. | 14x2(y2-2x+4x2) | | __ | 14. | a2-2ab+b2 | | D. | a(a2+a+1) | | __ | 15. | a2-10a+25 | | E. | (a-5)2 | | __ | 16. | a3+a2+a | | F. | (2x-1)(x+2) | | __ | 17. | a3-a2x+ax2 | | G. | x(1-x+x2-x3) | | __ | 18. | m2+5m-14 | | H. | (3b-5a2)2 | | __ | 19. | x-x2+x3-x4 | | I. | (x+5)(x+2) | | __ | 20. | x2+7x+10 | | J. | (m+7)(m-2) |
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