SAT Math Practice Question #7919 - SATify | SATify

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SAT Math Practice Question #7919 - SATify | SATify

#7919

algebra

polynomials

expressions

simplification

operations

easy

30 sec

Calculator OK

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

A.

$3 x^{4} + 2 x$

B.

$3 x^{4} + 4 x$

C.

$7 x^{4} + 2 x$

D.

$7 x^{4} + 4 x$