Tap the blue circles to see an explanation.
$$ \begin{aligned}-2\cdot(-3+2i)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-(-6+4i) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}6-4i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}-4i+6\end{aligned} $$ | |
① | Multiply $ \color{blue}{2} $ by $ \left( -3+2i\right) $ $$ \color{blue}{2} \cdot \left( -3+2i\right) = -6+4i $$ |
② | Remove the parentheses by changing the sign of each term within them. $$ - \left(-6+4i \right) = 6-4i $$ |
③ | Combine like terms: $$ -4i+6 = -4i+6 $$ |