How do you simplify $(-9x)/(x-x^2)$ and what are the restrictions?

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Answer 1 · 2015-06-06T20:08:10

You can write it as:
$(-9cancel(x))/(cancel(x)(1-x))=-9/(1-x)$
The restrictions are (to avoid a division by zero):
$x!=0$
$x!=1$

How do you simplify (-9x)/(x-x^2)(-9x)/(x-x^2) and what are the restrictions?