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April 18, 2015

April 18, 2015

Posted by **Anonymous** on Friday, April 25, 2014 at 4:24pm.

n^2 - 2n + 1 = 5

- Math -
**Steve**, Friday, April 25, 2014 at 5:00pm(n-1)^2 = 5

n-1 = ±√5

n = 1±√5

- Math -
**Damon**, Friday, April 25, 2014 at 5:02pmn^2 - 2 n - 4 = 0

n = [ 2 +/- sqrt(4 + 16) ] / 2

n = [ 2 +/- 2 sqrt 5 ]/2

n = 1 +/- sqrt 5

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