Answer
$\frac{\sqrt {30x}}{5x}$
Work Step by Step
$\frac{\sqrt 6}{\sqrt {5x}}$
=$\frac{\sqrt 6}{\sqrt {5x}}\times\frac{\sqrt {5x}}{\sqrt {5x}}$
=$\frac{\sqrt 6\times\sqrt {5x}}{\sqrt {5x}\times\sqrt {5x}}$
=$\frac{\sqrt {6\times5x}}{5x}$
=$\frac{\sqrt {30x}}{5x}$