Question
Answer
$$(-4-8)^2+(0-9)^2=225$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(-4-8)^2+(0-9)^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}(-12)^2+(-9)^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}144+81 \xlongequal{ } \\[1 em] & \xlongequal{ }225\end{aligned} $$ | |
| ① | Combine like termsCombine like terms |
| ② | $ (-12) ^ 2 = 144 $$ (-9) ^ 2 = 81 $ |
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