Answer:
Step-by-step explanation:
[tex]\frac{-9x^{5} }{\sqrt{x+4} } = \frac{-9x^{5}\sqrt{x+4} }{\sqrt{x+4}\sqrt{x+4} }\\= \frac{-9x^{5}\sqrt{x+4} }{x+4 }[/tex]
Here is the answer for you.