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# Multiply and Subtract

SATMAT-YYZIKE

${ x }^{ 3 }-{ x }^{ 2 }\left( x+7 \right)$ is equivalent to which of the following?

A

${ x }^{ 4 }+{ 6x }^{ 3 }-7{ x }^{ 2 }$

B

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

C

$-7{ x }^{ 2 }$

D

${ x }^{ 5 }-{ x }-7$