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