# How do you simplify \frac { 45x ^ { 4} } { 18x ^ { 3} }?

Jun 22, 2017

$\textcolor{b l u e}{= 2.5 x}$

#### Explanation:

$\frac{45 {x}^{4}}{18 {x}^{3}}$

$\therefore = \frac{5 {x}^{4}}{2 {x}^{3}}$

$\therefore = \frac{5 {x}^{4 - 3}}{2}$

$\therefore = \frac{5 {x}^{3}}{2}$

$\therefore \textcolor{b l u e}{= 2.5 x}$