SAT Math Practice Question #35792 - SATify | SATify

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SAT Math Practice Question #35792 - SATify | SATify

#35792

expressions

algebra

medium

30 sec

Which expression is equivalent to $6 a^{4} - 2 a^{4} + 5 a^{3}$ ?

A.

$9 a^{7}$

B.

$4 a^{4} + 5 a^{3}$

C.

$9 a^{3}$

D.

$4 a^{4} + 5 a^{7}$