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