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