|x-1|=x²-2x+1
x-1=x²-2x+1
x-x²+2x=1+1
3x-x²=2
9x²-x²=2
8x²=2
4x=2
x=2:4
x=0,5
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|x-1|=x²-2x+1
x-1=x²-2x+1
x-x²+2x=1+1
3x-x²=2
9x²-x²=2
8x²=2
4x=2
x=2:4
x=0,5