Question
Answer
$$7+5i-1-10i=-5i+6$$
Explanation
| $$ \begin{aligned}7+5i-1-10i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-5i+6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{7} + \color{red}{5i} \color{blue}{-1} \color{red}{-10i} = \color{red}{-5i} + \color{blue}{6} $$ |
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