| $$ \begin{aligned}\frac{40+30i}{13+6i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{140+30i}{41}\end{aligned} $$ | |
| ① | Divide $ \, 40+30i \, $ by $ \, 13+6i \, $ to get $\,\, \dfrac{140+30i}{41} $. ( view steps ) |