The function `f(x) = (x^2 - x)/(x - 1)` and g(x) = x.

It is possible to write f(x) as:

`f(x) = (x^2 - x)/(x - 1)`

= `(x*(x - 1))/(x - 1)`

Now the common factor x - 1 can be...

(The entire section contains 118 words.)

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