将(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²用提公因式法分解因式.

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将(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²用提公因式法分解因式.
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将(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²用提公因式法分解因式.
将(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²用提公因式法分解因式.

将(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²用提公因式法分解因式.
提公因式=(z-x-y)² (x+y-z)²=(z-x-y)²
(x+y-z)²(x+y+z-y-z+x)=(x+y-z)²*2x

=(x+y-z)²(x+y+z)-(y+z-x)(x+y-z)²=(x+y-z)²(x+y+z-y-z+x)=2x(x+y-z)²

(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²=(x+y-z)²(x+y+z-y-z+x)=(x+y-z)²*2x

(x+y-z)²(x+y+z)-(y+z-x)(z-x-y)²
解:原式=(x+y-z)²(x+y-z)²(z-x+y)(z-x-y)
=(x+y-z)²²
四次方大不出来,用两个平方代替