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Mark for Review

2(a - 4b)(3 + b3) = ?

A

B

C

D


Correct Answer: D

Your Answer:

Explanation

(D) Use FOIL to calculate the product of the terms in parentheses:

2(a - 4b)(3 + b3) = 2(3a + ab3 - 12b - 4b4) = 6a + 2ab3 - 24b - 8b4

Rearrange the values to put them in the order shown in the choices:

2ab3 + 6a - 8b4 - 24b