Answer
$x^{5}$
Work Step by Step
We are given the expression $\frac{x^{9}}{x^{4}}$.
We can simplify this expression by using the quotient rule, which holds that $\frac{a^{m}}{a^{n}}=a^{m-n}$ (where a is a nonzero real number, and m and n are integers).
$\frac{x^{9}}{x^{4}}=x^{9-4}=x^{5}$