Question
Answer
$$8-7i+9+5i=-2i+17$$
Explanation
| $$ \begin{aligned}8-7i+9+5i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-2i+17\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8} \color{red}{-7i} + \color{blue}{9} + \color{red}{5i} = \color{red}{-2i} + \color{blue}{17} $$ |
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