Question
Answer
$$5(-6c-3)+10c=-20c-15$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5(-6c-3)+10c& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-30c-15+10c \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-20c-15\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{5} $ by $ \left( -6c-3\right) $ $$ \color{blue}{5} \cdot \left( -6c-3\right) = -30c-15 $$ |
| ② | Combine like terms: $$ \color{blue}{-30c} -15+ \color{blue}{10c} = \color{blue}{-20c} -15 $$ |
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