SAT Math Practice Question #17210 - SATify | SATify

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SAT Math Practice Question #17210 - SATify | SATify

#17210

expressions

algebra

easy

60 sec

Calculator OK

Which expression is equivalent to $(9 x^{3} + 5 x + 7) + (6 x^{3} + 5 x^{2} - 5)$ ?

A.

$15 x^{6} + 5 x^{2} - 5 x - 35$

B.

$15 x^{3} + 10 x^{2} + 2$

C.

$15 x^{6} + 5 x^{2} + 5 x + 2$

D.

$15 x^{3} + 5 x^{2} + 5 x + 2$