Factor the polynomial x^2 - 5 Please explain
M Matholdie New member Joined Jun 1, 2006 Messages 14 Jun 1, 2006 #1 Factor the polynomial x^2 - 5 Please explain
pka Elite Member Joined Jan 29, 2005 Messages 11,990 Jun 1, 2006 #2 Factor as the sum/difference of two squares: \(\displaystyle \L x^2 - 5 = \left( {x - \sqrt 5 } \right)\left( {x + \sqrt 5 } \right)\)
Factor as the sum/difference of two squares: \(\displaystyle \L x^2 - 5 = \left( {x - \sqrt 5 } \right)\left( {x + \sqrt 5 } \right)\)
