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22 May, 10:22

2. Which expression is equivalent to 3x (-4x² + 5x - 8) - 6 (x² - 5x + 7) ?

A. 12x³ - 9x² + 6x - 42

B. - 12x³ + 9x² + 6x - 42

C. - 12x³ - 54x² + 6x - 42

D. - 27x³ - 6x² + 6x - 42

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  1. 22 May, 11:52
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    It is answer choice B. Using the distributive property, - 12x^3+15x^2-24x-6x^2+30x-42. Then combine like terms.
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