# How do I simplify this rational expression 5/(6x^3) + x/(x^2-12x)?

$\frac{5}{6 {x}^{3}} + \frac{x}{x \left(x - 12\right)} =$
$= \frac{5}{6 {x}^{3}} + \frac{1}{x - 12} =$
$= \frac{5 \left(x - 12\right) + 6 {x}^{3}}{6 {x}^{3} \left(x - 12\right)} =$
=(5x-60+6x^3)/(6x^3(x-12)