Question
Answer
$$9-9i+4+3i=-6i+13$$
Explanation
| $$ \begin{aligned}9-9i+4+3i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-6i+13\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{9} \color{red}{-9i} + \color{blue}{4} + \color{red}{3i} = \color{red}{-6i} + \color{blue}{13} $$ |
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