Equivalent Expressions

SAT Math· difficulty 4/5

(x + 2)(x^2 - 2x + 4)

A
$x^3 + 2x^2 + 8$
B
$x^3 + 4x + 8$
C
$x^3 + 8$
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D
$x^3 - 8$

Explanation

(a + b)(a^2 - ab + b^2) = a^3 + b^3

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