多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x&#

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多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x²-4xy) 求过程,

1,(x-y)³-(x-y)²(x+y)
=(x-y)²(x-y-x-y)
=-2y(x-y)²
2,x(x²-xy)-(4x²-4xy)
=x²(x-y)-4x(x-y)
=x(x-y)(x-4)

多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x&# x²-xy-2y²-x-y 因式分解因式分解x的5次方y-x³y+2x²y-xy 因式分解：-x³-4xy²+4x²y 2x²y-x³-xy²因式分解因式分解：x×x-xy-2y×y-x-y 16x²y-16x³-4xy 因式分解因式分解:x²(x-y)+(y-x) 因式分解：（x+y)³+2xy-2x²y-2xy²-1 把多项式4x³y-9xy³因式分解. 因式分解：x²-y²+4xy xy+x+y+1因式分解