| $$ \begin{aligned}\frac{2-4i}{3+4i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{-2-4i}{5}\end{aligned} $$ | |
| ① | Divide $ \, 2-4i \, $ by $ \, 3+4i \, $ to get $\,\, \dfrac{-2-4i}{5} $. ( view steps ) |