分解因式:(x+y)²(x-y)+(x+y)(x-y)²
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/20 10:16:42
分解因式:(x+y)²(x-y)+(x+y)(x-y)²
原式=(x+y)(x-y)[(x+y)+(x-y)]
=2x(x+y)(x-y)
=(x+y)(x-y)(x+y +x-y) = 2x(x+y)(x-y)
原式=2x(x+y)(x-y)
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来源:学生作业学帮网 编辑:学帮网 时间:2024/05/20 10:16:42
分解因式:(x+y)²(x-y)+(x+y)(x-y)²
原式=(x+y)(x-y)[(x+y)+(x-y)]
=2x(x+y)(x-y)
=(x+y)(x-y)(x+y +x-y) = 2x(x+y)(x-y)
原式=2x(x+y)(x-y)