Question
Answer
$$16i-1-(13-10i)=26i-14$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}16i-1-(13-10i)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}16i-1-13+10i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}26i-14\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 13-10i \right) = -13+10i $$ |
| ② | Combine like terms: $$ \color{blue}{16i} \color{red}{-1} \color{red}{-13} + \color{blue}{10i} = \color{blue}{26i} \color{red}{-14} $$ |
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