Question
Answer
$$-4-8i-9-8i=-16i-13$$
Explanation
| $$ \begin{aligned}-4-8i-9-8i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-16i-13\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-4} \color{red}{-8i} \color{blue}{-9} \color{red}{-8i} = \color{red}{-16i} \color{blue}{-13} $$ |
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