| $$ \begin{aligned}\frac{30-12i}{80+60i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{42-69i}{250}\end{aligned} $$ | |
| ① | Divide $ \, 30-12i \, $ by $ \, 80+60i \, $ to get $\,\, \dfrac{42-69i}{250} $. ( view steps ) |