Question
Answer
$$-(5-2i)-8i-10=-6i-15$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-(5-2i)-8i-10& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-5+2i-8i-10 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-6i-15\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left(5-2i \right) = -5+2i $$ |
| ② | Combine like terms: $$ \color{blue}{-5} + \color{red}{2i} \color{red}{-8i} \color{blue}{-10} = \color{red}{-6i} \color{blue}{-15} $$ |
This page was created using
Complex Expression calculator