Answer
$-5\sqrt2$
Work Step by Step
Use the quotient rule $\dfrac{\sqrt{a}}{\sqrt{b}}=\sqrt{\dfrac{a}{b}}$, where $a$ and $b$ are nonnegative numbers and $b\ne 0$ to obtain:
$=-\sqrt{\dfrac{150}{3}}
\\=-\sqrt{50}
\\=-\sqrt{25(2)}
\\=-5\sqrt2$