Tap the blue circles to see an explanation.
| $$ \begin{aligned}-2(11b-3)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-(22b-6) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-22b+6\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{2} $ by $ \left( 11b-3\right) $ $$ \color{blue}{2} \cdot \left( 11b-3\right) = 22b-6 $$ |
| ② | Remove the parentheses by changing the sign of each term within them. $$ - \left(22b-6 \right) = -22b+6 $$ |