Question
Answer
$$-3-(-6-8i)=8i+3$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-3-(-6-8i)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3+6+8i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}8i+3\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( -6-8i \right) = 6+8i $$ |
| ② | Combine like terms: $$ \color{blue}{-3} + \color{blue}{6} +8i = 8i+ \color{blue}{3} $$ |
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