SAT Math Practice Question #14402 - SATify | SATify

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SAT Math Practice Question #14402 - SATify | SATify

#14402

algebra

expressions

medium

55 sec

Which of the following expressions is equivalent to $7 b^{12} - 14 b^{8} + 21 b^{4}$ ?

A.

$7 (b^{12} - 2 b^{8} + 3 b^{4})$

B.

$7 b (b^{11} - 2 b^{7} + 3 b^{3})$

C.

$7 b^{4} (b^{8} - 2 b^{4} + 3)$

D.

$7 b^{4} (b^{3} - 2 b^{2} + 3)$