Question
Answer
$$5-7i+4-6i=-13i+9$$
Explanation
| $$ \begin{aligned}5-7i+4-6i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-13i+9\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5} \color{red}{-7i} + \color{blue}{4} \color{red}{-6i} = \color{red}{-13i} + \color{blue}{9} $$ |
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