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