分解因式：2(x-y)²-8(x-y)+8

分解因式：2(x-y)²-8(x-y)+8
分解因式：2(x-y)²-8(x-y)+8

分解因式：2(x-y)²-8(x-y)+8
2(x-y)²-8(x-y)+8
=2【(x-y)²-4(x-y)+4】
=2（x-y-2）²
祝你学习进步,有不明白的可以追问!谢谢!

2(x-y)²-8(x-y)+8=2(x-y-2)^2

2（x-y-2）^2

2(x-y)²-8(x-y)+8=2【(x-y)²-4（x-y）+4】=2(x-y-2)²

2(x-y)²-8(x-y)+8=2[(x-y)²-4(x-y)+4]=2（x-y-2）²