因式分解:m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x) .如题.

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因式分解:m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x).如题.因式分解:m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x).如题.因式分解:m^2(x-y)+

因式分解:m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x) .如题.
因式分解:m^2(x-y)+n^2(y-x)
m^2(x-y)+n^2(y-x) .如题.

因式分解:m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x) .如题.
m^2(x-y)+n^2(y-x)
=m^2(x-y)-n^2(x-y)
=(m^2-n^2)(x-y)
=(m+n)(m-n)(x-y)