Question

$$-3\sqrt{-}8$$

Answer

-6*sqrt(2)*IM

Solution


Simplify  \(\sqrt{-8}\)  to  \(\sqrt{8}\imath \).
\[-3\sqrt{8}\imath \]
Simplify  \(\sqrt{8}\)  to  \(2\sqrt{2}\).
\[-3\times 2\sqrt{2}\imath \]
Simplify  \(3\times 2\sqrt{2}\imath \)  to  \(6\sqrt{2}\imath \).
\[-6\sqrt{2}\imath \]