SAT Math Practice Question #29800 - SATify | SATify

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SAT Math Practice Question #29800 - SATify | SATify

#29800

expressions

algebra

hard

120 sec

Which expression is equivalent to $(5 x^{3} - 2 x^{2} + 8 x) - (3 x^{3} + 4 x^{2} - x)$ ?

A.

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

B.

$2 x^{3} - 6 x^{2} + 9 x$

C.

$2 x^{3} + 2 x^{2} + 7 x$

D.

$2 x^{3} + 2 x^{2} + 9 x$