Answer
$\{0, 9\}$
Work Step by Step
Subtract $9x$ from both sides.
$x^2-9x=9x-9x$
Simplify.
$x^2-9x=0$
Factor out $x$.
$x(x-9)=0$
Use the Zero-Product Property.
$x=0$ or $x-9=0$
Solve each equation fr $x$:
$x=0$ or $x=9$
Hence, the solution set to the equation is $\{0,9\}$.
