| $$ \begin{aligned}\frac{3i}{-4+9i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{27-12i}{97}\end{aligned} $$ | |
| ① | Divide $ \, 3i \, $ by $ \, -4+9i \, $ to get $\,\, \dfrac{27-12i}{97} $. ( view steps ) |