| $$ \begin{aligned}-4-3i+2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3i-2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-4} -3i+ \color{blue}{2} = -3i \color{blue}{-2} $$ |