Question
Answer
$$2(-1^3)+5\cdot(-1)-10=-17$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}2(-1^3)+5\cdot(-1)-10& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2(-1^3)+(-5)-10 \xlongequal{ } \\[1 em] & \xlongequal{ }2\cdot(-1)+(-5)-10 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-2-5-10 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}-17\end{aligned} $$ | |
| ① | $$ 5 \cdot -1 = -5 $$ |
| ② | $$ 2 \cdot -1 = -2 $$ |
| ③ | Combine like terms: $$ \color{blue}{-2} \color{red}{-5} \color{red}{-10} = \color{red}{-17} $$ |
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