SOLUTION: x^2+2x-11=0 ?? solve each equation by completing the square thanks for the help :)))

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Question 642154: x^2+2x-11=0 ??
solve each equation by completing the square thanks for the help :)))
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+2x-11=0 ??
solve each equation by completing the square
(x^2+2x+1)-11-1=0
(x+1)^2-12=0
(x+1)^2=12
take sqrt of both sides
x+1=±√12
x=-1±√12=-1-√12 or -1+√12