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(x²-2x)²+2x(x-2)+1
=[x(x-2)]²+2x(x-2)+1
=[x(x-2)+1]²
=(x²-2x+1)²
=[(x-1)²]²
=(x-1)^4
=[x(x-2)]²+2x(x-2)+1
=[x(x-2)+1]²
=(x²-2x+1)²
=[(x-1)²]²
=(x-1)^4
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展开全部
原式=[x(x-2)]²+2×1×(x-2)+1
=[x(x-2)+1)²
=(x²-2x+1)²
=[(x-1)²]²
=(x-1)⁴
=[x(x-2)+1)²
=(x²-2x+1)²
=[(x-1)²]²
=(x-1)⁴
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