Equivalent Expressions

SAT Math· difficulty 3/5

8x^3 - 1

A
$(2x - 1)(4x^2 - 2x + 1)$
B
$(2x - 1)(4x^2 + 2x + 1)$
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C
$(2x - 1)^3$
D
$(2x + 1)(4x^2 - 2x + 1)$

Explanation

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

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