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