Question
Answer
$$-6-8i-9-7i=-15i-15$$
Explanation
| $$ \begin{aligned}-6-8i-9-7i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-15i-15\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-6} \color{red}{-8i} \color{blue}{-9} \color{red}{-7i} = \color{red}{-15i} \color{blue}{-15} $$ |
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