Question
Answer
$$11-7i+2-5i=-12i+13$$
Explanation
| $$ \begin{aligned}11-7i+2-5i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-12i+13\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{11} \color{red}{-7i} + \color{blue}{2} \color{red}{-5i} = \color{red}{-12i} + \color{blue}{13} $$ |
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