Question
Answer
$$8-\sqrt{13}^2-5^2=-30$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}8-\sqrt{13}^2-5^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8-13-25 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-30\end{aligned} $$ | |
| ① | $$ \sqrt{13}^2 =
\sqrt{13} ^2 =
\lvert 13 \rvert =
13 $$$ 5 ^ 2 = 25 $ |
| ② | Combine like terms |
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