因式分解方法:m(x-y)(x-y)-x+y

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因式分解方法:m(x-y)(x-y)-x+y因式分解方法:m(x-y)(x-y)-x+y因式分解方法:m(x-y)(x-y)-x+y利用提取公因式法m(x-y)(x-y)-x+y=m(x-y)(x+y

因式分解方法:m(x-y)(x-y)-x+y
因式分解方法:m(x-y)(x-y)-x+y

因式分解方法:m(x-y)(x-y)-x+y
利用提取公因式法
m(x-y)(x-y)-x+y
=m(x-y)(x+y)-(x-y)
=(x-y)(mx+my-1)