4 years ago

Select the correct product. (x 2 4x 8)(2x - 1) 2x3 7x2 12x - 8 2x3 - 7x2 - 12x - 8 x2 6x 7 x2 8x - 8

1 answer:

kow [346]4 years ago

7 0

(x^2 + 4x + 8)(2x - 1) = 2x(x^2 + 4x + 8) - (x^2 + 4x + 8) = 2x^3 + 8x^2 + 16x - x^2 - 4x - 8 = 2x^3 + 7x^2 + 12x - 8

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