SAT Math Practice Question #31340 - SATify | SATify

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SAT Math Practice Question #31340 - SATify | SATify

#31340

expressions

algebra

hard

75 sec

Which of the following expressions is equivalent to $\frac{1}{2} b^{2} (4 b^{3} - 6 b) - 3 b^{3}$ ?

A.

$2 b^{5} - 3 b^{3} - 3 b^{3}$

B.

$2 b^{5} - 6 b^{3}$

C.

$2 b^{5} - 3 b^{3}$

D.

$2 b^{5} - 9 b^{3}$