因式分解(x2-y2)(x+y)-(x-y)?

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因式分解(x2-y2)(x+y)-(x-y)?因式分解(x2-y2)(x+y)-(x-y)?因式分解(x2-y2)(x+y)-(x-y)?(x2-y2)(x+y)-(x-y)=(x+y)(x-y)(x

因式分解(x2-y2)(x+y)-(x-y)?
因式分解(x2-y2)(x+y)-(x-y)?

因式分解(x2-y2)(x+y)-(x-y)?
(x2-y2)(x+y)-(x-y)
=(x+y)(x-y)(x+y)-(x-y)
=(x-y)[(x+y)^2-1]
=(x-y)(x+y+1)(x+y-1)