SOLUTION: Solve the quadratic equation by completing the square: x^2 - 6x - 3 = 0 Can someone give me a heads up on how to solve this please?

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Question 65706: Solve the quadratic equation by completing the square:
x^2 - 6x - 3 = 0
Can someone give me a heads up on how to solve this please?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 - 6x - 3 = 0
x^2 - 6x = 3
(x - 3)^2 = 3 + 9 = 12
x - 3 = +- sqrt(12)
x = 3 +- 2*sqrt(3)