The polynomial x3 + 8 is equal to

Recognize that 8 is 2³, so x³ + 8 = x³ + 2³. The sum-of-cubes rule is a³ + b³ = (a + b)(a² − ab + b²); using a = x and b = 2 gives (x + 2)(x² − 2x + 4). Therefore, choice A is correct.

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