Question
Answer
$$17-(5-6i)=6i+12$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}17-(5-6i)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}17-5+6i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}6i+12\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 5-6i \right) = -5+6i $$ |
| ② | Combine like terms: $$ \color{blue}{17} \color{blue}{-5} +6i = 6i+ \color{blue}{12} $$ |
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