Answer
$$(-4s\cdot4+12s\cdot3-2s)\cdot2=36s$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(-4s\cdot4+12s\cdot3-2s)\cdot2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}(-16s+36s-2s)\cdot2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}18s\cdot2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle4}{\textcircled {4}} } }}}36s\end{aligned} $$ | |
| ① | $$ 4 s \cdot 4 = 16 s $$ |
| ② | $$ 12 s \cdot 3 = 36 s $$ |
| ③ | Combine like terms: $$ \color{blue}{-16s} + \color{red}{36s} \color{red}{-2s} = \color{red}{18s} $$ |
| ④ | $$ 18 s \cdot 2 = 36 s $$ |
This page was created using
Simplify polynomials calculator