(x^2-1)^2-(x^2-1)(x+5)怎么因式分解
人气：450 ℃ 时间：2020-05-14 07:56:28
解答
(x^2-1)^2-(x^2-1)(x+5)
=(x^2-1)((x^2-1)-(x+5))
=(x^2-1)(x^2-x-6)
=(x-1)(x+1)(x-3)(x+2)
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