Question
Answer
$$3+4i-(6-10i)=14i-3$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}3+4i-(6-10i)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3+4i-6+10i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}14i-3\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 6-10i \right) = -6+10i $$ |
| ② | Combine like terms: $$ \color{blue}{3} + \color{red}{4i} \color{blue}{-6} + \color{red}{10i} = \color{red}{14i} \color{blue}{-3} $$ |
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