SAT Math Practice Question #20697 - SATify | SATify

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SAT Math Practice Question #20697 - SATify | SATify

#20697

algebra

expressions

easy

60 sec

Calculator OK

Which expression is equivalent to $10 a^{7} - 15 a^{6} + 5 a^{5}$ ?

A.

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

B.

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

C.

$a^{5} (10 a^{2} - 15 a + 5)$

D.

$5 a^{6} (2 a - 3 + \frac{1}{a})$