| $$ \begin{aligned}-2+3i+5-2i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}i+3\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-2} + \color{red}{3i} + \color{blue}{5} \color{red}{-2i} = \color{red}{i} + \color{blue}{3} $$ |