Question

-9x/x-x^2 how do you simplify?

Answer 1

I believe you have omitted the parenthesis in the denominator, if so the term is:

-9x/(x-x²)

The denominator can be written after factorizing it x(1-x)

==> -9x/[x(1-x)] , you cancel x ==> -9/(1-x) or 9/(x-1)