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October 31, 2014

October 31, 2014

Posted by **alex** on Monday, January 14, 2013 at 6:31am.

- math -
**Steve**, Monday, January 14, 2013 at 8:40am1/(x-1) + 1/x + 1/(x+1) = 47/((x-1)x(x+1))

x(x+1) + (x-1)(x+1) + x(x-1) = 47

x^2 + x + x^2 - 1 + x^2 - x

3x^2 - 1 = 47

3x^2 = 48

x^2 = 16

x = 4

so, the numbers are 3,4,5

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