Question
Answer
$$-2+7i-4-3i=4i-6$$
Explanation
| $$ \begin{aligned}-2+7i-4-3i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4i-6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-2} + \color{red}{7i} \color{blue}{-4} \color{red}{-3i} = \color{red}{4i} \color{blue}{-6} $$ |
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