4x^2+4x-11=0 x^2+x+(1/2)^2=11/4 (x+1/2)^2=12/4 x=-1/2+-square root of 3
R Rani New member Joined Sep 15, 2011 Messages 27 Nov 6, 2011 #1 4x^2+4x-11=0 x^2+x+(1/2)^2=11/4 (x+1/2)^2=12/4 x=-1/2+-square root of 3
