Question 1 • AZ-Common Core Algebra II A
Use the sum-of-cubes identity: a³ + b³ = (a + b)(a² − ab + b²). Here, x³ + 8 = x³ + 2³ = (x + 2)(x² − 2x + 4), so dividing by x + 2 gives x² − 2x + 4, choice B.
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