ab^2(x-y)^2+a^2b(y-x)^3因式分解

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ab^2(x-y)^2+a^2b(y-x)^3因式分解

ab^2(x-y)^2+a^2b(y-x)^3因式分解
ab^2(x-y)^2+a^2b(y-x)^3因式分解

ab^2(x-y)^2+a^2b(y-x)^3因式分解
你好
ab^2(x-y)^2+a^2b(y-x)^3
=ab^2(x-y)^2-a^2b(x-y)^3
=ab(x-y)^2[b-a(x-y)]
=ab(x-y)^2(b-ax+ay)

ab²(x-y)²+a²b(y-x)³
=ab(x-y)²b+ab(x-y)³a
=ab(x-y)²[b+(x-y)a]
=ab(x-y)²(b+ax-ay)