Answer
$$-4-2i-3-4i=-6i-7$$
Explanation
| $$ \begin{aligned}-4-2i-3-4i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-6i-7\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-4} \color{red}{-2i} \color{blue}{-3} \color{red}{-4i} = \color{red}{-6i} \color{blue}{-7} $$ |
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