SOLUTION: how to solve this equation x2( to the second power) - 2x - 13=0

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Question 323065: how to solve this equation x2( to the second power) - 2x - 13=0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You can complete the square or use the quadratic formula.
Completing the square:
x%5E2-2x-13=0
%28x%5E2-2x%2B1%29-13=1
%28x-1%29%5E2=14
x-1=0+%2B-+sqrt%2814%29
x=1+%2B-+sqrt%2814%29