SOLUTION: This is for geometry. Please solve 2x=x^2-2 thank you

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Question 245083: This is for geometry.

Please solve

2x=x^2-2

thank you
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Please solve
2x=x^2-2
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x^2 - 2x -2 = 0
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Use the quadratic formula:
x = [-2 +- sqrt(4 - 4*1*-2)]/2
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x = [-2 +- sqrt(12)]/2
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x = [-1 +- sqrt(3)]
x = -1+sqrt(3) or x = -1-sqrt(3)
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Cheers,
Stan H.