3000/(x-3)-3000/x

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3000/(x-3)-3000/x3000/(x-3)-3000/x3000/(x-3)-3000/x3000/(x-3)-3000/x=【3000x-3000(x-3)】/x(x-3)=9000/(

3000/(x-3)-3000/x
3000/(x-3)-3000/x

3000/(x-3)-3000/x
3000/(x-3)-3000/x
=【3000x-3000(x-3)】/x(x-3)
=9000/(x²-3x)