Question
Answer
$$-12+3i+10+10i=13i-2$$
Explanation
| $$ \begin{aligned}-12+3i+10+10i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}13i-2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-12} + \color{red}{3i} + \color{blue}{10} + \color{red}{10i} = \color{red}{13i} \color{blue}{-2} $$ |
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