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April 21, 2015

Posted by **anonymas** on Wednesday, January 26, 2011 at 1:28pm.

y=x to the power of 2 -2x-5?

thanks in advance!

- math -
**Damon**, Wednesday, January 26, 2011 at 1:46pmy = x^2 - 2 x - 5

That can not be factored with whole numbers

try solving quadratic

[ 2 +/- sqrt (4+20) ] /2

= 1 +/- sqrt(6)

so try

(x - 1+sqrt6)(x - 1-sqrt(6))

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