Question
Answer
$$r((2-10)^2+(9+4)^2)=r\cdot233$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}r((2-10)^2+(9+4)^2)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}r((-8)^2+13^2) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}r\cdot(64+169) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}r\cdot233\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2} \color{blue}{-10} = \color{blue}{-8} $$Combine like terms: $$ \color{blue}{9} + \color{blue}{4} = \color{blue}{13} $$ |
| ② | 9+4=139+4=13 |
| ③ | Combine like terms: $$ \color{blue}{64} + \color{blue}{169} = \color{blue}{233} $$ |
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