| $$ \begin{aligned}\frac{-10+7i}{-9-9i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{3-17i}{18}\end{aligned} $$ | |
| ① | Divide $ \, -10+7i \, $ by $ \, -9-9i \, $ to get $\,\, \dfrac{3-17i}{18} $. ( view steps ) |