Question
Answer
$$-11+3i+9+2i=5i-2$$
Explanation
| $$ \begin{aligned}-11+3i+9+2i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5i-2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-11} + \color{red}{3i} + \color{blue}{9} + \color{red}{2i} = \color{red}{5i} \color{blue}{-2} $$ |
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