因式分解a(a-b)+(b-a)²

快！十分钟内！

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a(a-b)+(b-a)²
=a(a-b)+[-(a-b)]²蚂正举清枣
=a(a-b)+(a-b)²闷碧
=(a-b)*[a+(a-b)]
=(a-b)*(2a-b)

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=a(a-b)+(a-b)²
=(a+1)(a-b

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a(a-b)+(b-a)²
=a(a-b)+(a-b)²
=(a-b)(a+a-b)
=(a-b)(2a-b)

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a(a-b)+(b-a)^2
=a(a-b)+[-(a-b)]^2
=a(a-b)+(a-b)^2
=(a-b)*[a+(a-b)]
=(a-b)*(2a-b)

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