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SAT® Math

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Difficult

Sum of Cubes

SATMAT-LVL1RY

$ \left( x+2 \right) \left( { x }^{ 2 }-2x+4 \right) $ is equivalent to which of the following?

A

$ { 2x }^{ 3 }-4{ x }^{ 2 }-8x $

B

$ { x }^{ 3 }+4{ x }^{ 2 }-8x+8 $

C

$ 2{ x }^{ 2 }-3x+8 $

D

$ { x }^{ 3 }+8 $