polynomials - distribution, simplifying!
| __ | 1. | (3x - 5) + (11 - 7x) | | A. | -4x + 6 | | __ | 2. | (6x2 - 11x) + (2x2 + 18x) | | B. | 11x + 5 | | __ | 3. | (8 + 9x) - (3 - 2x) | | C. | 1 - 4x | | __ | 4. | -4(6x2 - 9) - 3(1 - 11x2) | | D. | 33 + 9x2 | | __ | 5. | 2xy(-3 - 4y) + x(9y - 4y2) | | E. | 9x2 + xy | | __ | 6. | 3x(7x - 5y) - 4(3x2 - 4xy) | | F. | 8x2 - 7x | | __ | 7. | 4(5x + 7) - 3(9 + 8x) | | G. | 8x2 + 6x | | __ | 8. | 6(3x2 - x) - 2(-6x + 5x2) | | H. | -5x2 + y2 | | __ | 9. | 6x2y(4y - 9) - 2xy(3xy + 5x) | | I. | 18x2y2 - 64x2y | | __ | 10. | 7(x2 - y2) + 4(2y2 - 3x2) | | J. | 3xy - 12xy2 |
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Altres proves d'interés :