Posted by saad on Thursday, October 28, 2010 at 11:14am.
x^2-x+1/4=1806+1/4
(x-1/2)^2=( ? ) squared.
x-1/2= +- sqrt (1806+1/4)
x^2-x-1806=0
x^2-x=1806
x^2-x+(1/2)^2=1806+(1/2)^2
(x-1/2)^2=1806+1/4
(x-1/2)^2=7224+1/4
(x-1/2)^2=7225/4
as going