SAT Math Practice Question #30684 - SATify | SATify

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SAT Math Practice Question #30684 - SATify | SATify

#30684

algebra

expressions

medium

70 sec

Calculator OK

Which expression is equivalent to $18 a^{4} + 6 a^{3} - 3 a^{2}$ ?

A.

$3 a (6 a^{3} + 2 a^{2} - a)$

B.

$a^{2} (18 a^{2} + 6 a - 3)$

C.

$3 a^{2} (6 a^{2} + 2 a - 1)$

D.

$6 a^{2} (3 a^{2} + a - 1/2)$