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