# How to simplify algebraic fractions ?

## $\frac{5 x - 15}{3 {x}^{2} - 13 x + 12}$

$\frac{5 x - 15}{3 {x}^{2} - 13 x + 12}$
$\frac{5 \left(x - 3\right)}{\left(x - 9\right) \left(x - 4\right)}$