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x/(x-1)-2/x
=x²/(x-1)x-2(x-1)/x(x-1)
=[x²-2(x-1)]/x(x-1)
=(x²-2x+2)/x(x-1)
x/(x-1)-2/x
=x²/(x-1)x-2(x-1)/x(x-1)
=[x²-2(x-1)]/x(x-1)
=(x²-2x+2)/x(x-1)
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x\(x-1)-2\x
=x^2\(x-1)x-2(x-1)\(x-1)x
=x^2-2x+2\(x-1)x
=(x-1)^2+1\(x-1)x
=x^2\(x-1)x-2(x-1)\(x-1)x
=x^2-2x+2\(x-1)x
=(x-1)^2+1\(x-1)x
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