Answer
$$6(2v\cdot2-2v)=12v$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}6(2v\cdot2-2v)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}6(4v-2v) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}6\cdot2v \xlongequal{ } \\[1 em] & \xlongequal{ }12v\end{aligned} $$ | |
| ① | $$ 2 v \cdot 2 = 4 v $$ |
| ② | Combine like terms: $$ \color{blue}{4v} \color{blue}{-2v} = \color{blue}{2v} $$ |
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