SAT Math Practice Question #15487 - SATify | SATify

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SAT Math Practice Question #15487 - SATify | SATify

#15487

algebra

expressions

easy

120 sec

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

A.

$4 z^{6} - 15 z^{2}$

B.

$4 z^{6} + 17 z^{4} - 15 z^{2}$

C.

$4 z^{6} + 7 z^{4} - 15 z^{2}$

D.

$4 z^{6} - 7 z^{4} - 15 z^{2}$