SAT Math Practice Question #20444 - SATify | SATify

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SAT Math Practice Question #20444 - SATify | SATify

#20444

algebra

expressions

medium

120 sec

Which expression is equivalent to $(x^{2} + 7)^{2} + (x - 3) (x + 3)$ ?

A.

$x^{4} + 14 x^{2} + 40$

B.

$x^{4} + 15 x^{2} + 40$

C.

$x^{4} + 14 x^{2} + 58$

D.

$x^{4} + 15 x^{2} + 58$