Factor completely.x4 + x3y - 27x - 27y
A. (x + 3)(x2 - 3x + 9)(x - y)
B. (x + 3)(x2 - 3x + 9)(x + y)
C. (x - 3)(x2 + 3x + 9)(x + y)
D. (x - 27)(x3 + x + y)
Answer: C
Mathematics
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