Question
Answer
$$5+1.2i-6+0.8i=i-1$$
Explanation
| $$ \begin{aligned}5+1.2i-6+0.8i& \xlongequal{ }5+i-6+0i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}i-1\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5} + \color{red}{i} \color{blue}{-6} \color{red}{0i} = \color{red}{i} \color{blue}{-1} $$ |
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