Provide an appropriate response.Factoring  x4 - 81 gives

A. (x2 + 9)(x2 + 9)
B. (x2 - 9)(x + 3)(x - 3)
C. (x2 -9)(x2 - 9)
D. (x2 + 9)(x + 3)(x - 3)
E. (x + 3)2(x - 3)2


Answer: D

Mathematics

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