Question
Answer
$$-1-8i-4+i=-7i-5$$
Explanation
| $$ \begin{aligned}-1-8i-4+i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-7i-5\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-1} \color{red}{-8i} \color{blue}{-4} + \color{red}{i} = \color{red}{-7i} \color{blue}{-5} $$ |
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