SOLUTION: solving quadratic equations by completing the square HELP PLEASE im so confusedddddd -3 doesnt add up to 1 help??? x^2+x-3=0 thank you!! will give beauti

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Question 481105: solving quadratic equations by completing the square

HELP PLEASE
im so confusedddddd -3 doesnt add up to 1

help???

x^2+x-3=0

thank you!! will give beautiful review
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
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