Question
Answer
$$-3.4-8.4i+9.6-5.8i=-13i+6$$
Explanation
| $$ \begin{aligned}-3.4-8.4i+9.6-5.8i& \xlongequal{ }-3.4-8i+9.6-5i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-13i+6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-3} \color{red}{-8i} + \color{blue}{9} \color{red}{-5i} = \color{red}{-13i} + \color{blue}{6} $$ |
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