Question
Answer
$$4-5i-1-7i=-12i+3$$
Explanation
| $$ \begin{aligned}4-5i-1-7i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-12i+3\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4} \color{red}{-5i} \color{blue}{-1} \color{red}{-7i} = \color{red}{-12i} + \color{blue}{3} $$ |
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