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