SAT Math Practice Question #34788 - SATify | SATify

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SAT Math Practice Question #34788 - SATify | SATify

#34788

expressions

algebra

medium

50 sec

Which of the following expressions is equivalent to $15 a^{5} + 20 a^{4} - 5 a^{3}$ ?

A.

$5 a^{3} (3 a^{2} + 4 a - 1)$

B.

$5 a^{3} (3 a^{2} + 4 a)$

C.

$5 a (3 a^{4} + 4 a^{3} - a^{2})$

D.

$a^{3} (15 a^{2} + 20 a - 5)$