Question
Answer
$$-5i+4-7-2i+6=-7i+3$$
Explanation
| $$ \begin{aligned}-5i+4-7-2i+6& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-7i+3\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-5i} + \color{red}{4} \color{green}{-7} \color{blue}{-2i} + \color{green}{6} = \color{blue}{-7i} + \color{green}{3} $$ |
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