Question
Answer
$$3+2i-3-7i=-5i$$
Explanation
| $$ \begin{aligned}3+2i-3-7i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-5i\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ \cancel{3}} \,+ \color{green}{2i} \, \color{blue}{ -\cancel{3}} \, \color{green}{-7i} = \color{green}{-5i} $$ |
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