(x-y)(x²+y²-2xy)+2(y-x)²因式分解
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(x-y)(x²+y²-2xy)+2(y-x)²因式分解
(x-y)(x²+y²-2xy)+2(y-x)²因式分解
(x-y)(x²+y²-2xy)+2(y-x)²因式分解
(x-y)(x²+y²-2xy)+2(y-x)²
=(x-y)(x-y)²+2(x-y)²
=(x-y)²(x-y+2)
原式=(x-y)(y-x)²+2(y-x)²=(y-x)²(x-y+2)
原式=(x-y)(x-y)²+2(x-y)²
=(x-y+2)(x-y)²
望采纳,不明白可追问
(x-y)2(x-y+2)