Question
Answer
$$-(6i+4)+6+5i=-i+2$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-(6i+4)+6+5i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-6i-4+6+5i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-i+2\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left(6i+4 \right) = -6i-4 $$ |
| ② | Combine like terms: $$ \color{blue}{-6i} \color{red}{-4} + \color{red}{6} + \color{blue}{5i} = \color{blue}{-i} + \color{red}{2} $$ |
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