| $$ \begin{aligned}\frac{9i-9}{-6-3i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{3-9i}{5}\end{aligned} $$ | |
| ① | Divide $ \, -9+9i \, $ by $ \, -6-3i \, $ to get $\,\, \dfrac{3-9i}{5} $. ( view steps ) |