分解因式:2(x-y)²-8(x-y)+8
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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)+82(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