Question
Answer
$$-2n\cdot(-8-10)=36n$$
Explanation
| $$ \begin{aligned}-2n\cdot(-8-10)& \xlongequal{ }-2n\cdot(-18) \xlongequal{ } \\[1 em] & \xlongequal{ }--36n \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}36n\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left(-36n \right) = 36n $$ |
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