Solve The Inequality 0 < -9x/x-x^2
0 < -9x / x(1-x^2)
x=0 is not in the domain. Excluding that, we have
0 < -9/(1-x)
If the quotient is positive,
1-x < 0
x > 1
x=0 is not in the domain. Excluding that, we have
0 < -9/(1-x)
If the quotient is positive,
1-x < 0
x > 1