The integral in this exercise converges. Evaluate the integral without using a table.

${\displaystyle \underset{0}{\overset{}{}}}\frac{4dx}{(9+x)\sqrt[\phantom{2}]{x}}$

${\displaystyle \underset{0}{\overset{}{}}}\frac{4dx}{(9+x)\sqrt[\phantom{2}]{x}}=$

$($Type an exact answer, using $$ as needed.$)$