Answer
$\dfrac{x}{\sqrt{5}}=\dfrac{x\sqrt{5}}{5}$
Work Step by Step
$\dfrac{x}{\sqrt{5}}$
Multiply the fraction by $\dfrac{\sqrt{5}}{\sqrt{5}}$ and simplify:
$\dfrac{x}{\sqrt{5}}=\dfrac{x}{\sqrt{5}}\cdot\dfrac{\sqrt{5}}{\sqrt{5}}=\dfrac{x\sqrt{5}}{\sqrt{5^{2}}}=\dfrac{x\sqrt{5}}{5}$