Question 481105
x^2+x-3=0
x^2+x=3
x^2+x+1/4 = 3+1/4
(x+1/2)^2 = 13/4

take the square root
x+1/2 = +-sqrt(13)/2

x=sqrt(13)/2 -1/2

OR
x=-sqrt(13)/2-1/2