SAT Math Practice Question #15070 - SATify | SATify

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SAT Math Practice Question #15070 - SATify | SATify

#15070

algebra

expressions

easy

45 sec

Which of the following expressions is equivalent to the sum of $(a^{2} + 3 a)$ , $(2 a^{2} - a + 5)$ , and $(- 4 a + 2)$ ?

A.

$3 a^{2} - 2 a + 7$

B.

$3 a^{2} - 2 a + 3$

C.

$3 a^{2} - 6 a + 7$

D.

$3 a^{6} - 2 a^{3} + 7$