Műveletek algebrai kifejezésekkel
| __ | 1. | -3xy + 8xy + 12xy - 8xy + 3xy | | A. | 12xy | | __ | 2. | - 7x - 6 = | | B. | 10x | | __ | 3. | -[(3x -5) - (-2x + 8) -12] -1= | | C. | - 25x +23y | | __ | 4. | 1 = | | D. | x + y - (- 2x + 6) - (10x + y) | | __ | 5. | 5x + 8x - 13x + 15x -5x = | | E. | 160x2 - 170x | | __ | 6. | 145x2 - 48x+15x2- 124x= | | F. | 2x + 1 - [ 1 - ( 1 - 2x)] | | __ | 7. | x + 6y + 8y -11x + 9y - 15x = | | G. | - 5x + 24 |
| __ | 8. | (2x + 3)2 = | | A. | 6x2 + 7x - 20 | | __ | 9. | (3x -4)(2x + 5) = | | B. | (1 - 5x)(2x - 3) | | __ | 10. | (b - 3)(b2 + 3b +9) | | C. | x2 - 4 | | __ | 11. | (x + 2)(x - 2) = | | D. | b3 - 27 | | __ | 12. | (x2 - x + 5)(x - 3) = | | E. | 4x2 + 12x +9 | | __ | 13. | -10x2 + 5x - 3 | | F. | x3 - 4x2 + 8x - 15 |
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