x/x-1-3/(x-1)(x+2)=1
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x/x-1-3/(x-1)(x+2)=1x/x-1-3/(x-1)(x+2)=1x/x-1-3/(x-1)(x+2)=1
x/x-1-3/(x-1)(x+2)=1
x/x-1-3/(x-1)(x+2)=1
x/x-1-3/(x-1)(x+2)=1
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