Question
Answer
$$31-(5-3\cdot4)^2+\dfrac{26}{4}=-\dfrac{23}{2}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}31-(5-3\cdot4)^2+\frac{26}{4}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}31-(-7)^2+\frac{26}{4} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}31-49+\frac{26}{4} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}-\frac{23}{2}\end{aligned} $$ | |
| ① | Combine like terms |
| ② | $ (-7) ^ 2 = 49 $ |
| ③ | Combine like terms |
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