| $$ \begin{aligned}\frac{2-4i}{-2-i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2i\end{aligned} $$ | |
| ① | Divide $ \, 2-4i \, $ by $ \, -2-i \, $ to get $\,\, 2i $. ( view steps ) |