Question
Answer
$$5+9i+6+3i=12i+11$$
Explanation
| $$ \begin{aligned}5+9i+6+3i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}12i+11\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5} + \color{red}{9i} + \color{blue}{6} + \color{red}{3i} = \color{red}{12i} + \color{blue}{11} $$ |
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