What is the product of 2x2 − x + 1 and 3 − 2x

A.

4x3 − 8x2 + 5x + 3

B.

−4x3 + 8x2 − 5x + 3

C.

−4x3 − 8x2 + 5x + 3

D.

4x3 + 8x2 − 5x + 3

View answer & explanation

Correct answer is B

(2x2 - x + 1) × (3 - 2x);

3(2x2 - x + 1) - 2x (2x2 - x + 1)

6x2 - 3x + 3 - 4x3 + 2x2 - 2x

-4x3 + 8x2 -5x + 3

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