Question
Answer
$$3+6(3x+5s+2)=30s+18x+15$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}3+6(3x+5s+2)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3+18x+30s+12 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}30s+18x+15\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{6} $ by $ \left( 3x+5s+2\right) $ $$ \color{blue}{6} \cdot \left( 3x+5s+2\right) = 18x+30s+12 $$ |
| ② | Combine like terms: $$ \color{blue}{3} +18x+30s+ \color{blue}{12} = 30s+18x+ \color{blue}{15} $$ |
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