Question 1119798
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ +\ 2x(5\ -\ x)\ +\ (5\ -\ x)^2]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^2\ -\ 2x^2\ +\ 10x\ +\ x^2\ -\ 10x\ -\ 25]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 25]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ \in\ \mathbb{R}\ \ ]is irrelevant.
								
								
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}

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