The quantity $\sqrt{45} - 2\sqrt{5} + \frac{\sqrt{360}}{\sqrt{2}}$ can be expressed as $\sqrt{N}$, where $N$ is an integer. Find $N$
$\sqrt{45} - 2 \sqrt{5} + \frac{\sqrt{360}}{\sqrt{2}} = 5 \sqrt{5} = \sqrt{125}$, so $N = 125$.
