Answer
$$9+3i+2+6i=9i+11$$
Explanation
| $$ \begin{aligned}9+3i+2+6i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}9i+11\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{9} + \color{red}{3i} + \color{blue}{2} + \color{red}{6i} = \color{red}{9i} + \color{blue}{11} $$ |
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