SAT Math Practice Question #39068 - SATify | SATify

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SAT Math Practice Question #39068 - SATify | SATify

#39068

algebra

expressions

medium

75 sec

Calculator OK

Which expression is equivalent to $(\frac{1}{2} a^{3} + 5 a) - (\frac{1}{4} a^{3} - 2 a + 3)$ ?

A.

$\frac{1}{4} a^{3} + 3 a + 3$

B.

$\frac{1}{4} a^{3} + 7 a - 3$

C.

$\frac{3}{4} a^{3} + 3 a + 3$

D.

$\frac{3}{4} a^{3} + 7 a - 3$