SOLUTION: Solve for x over the real numbers: x(squared) - x -3=0

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Question 613248: Solve for x over the real numbers:
x(squared) - x -3=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x over the real numbers:
x(squared) - x -3=0
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x^2-x-3 = 0
Use the quadratic formula:
x = [1 +- sqrt(1-4*1*-3)]/(2)
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x = [1 +- sqrt(13)]/2
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x = (1/2) + (1/2)(sqrt(13) or x = (1/2)-(1/2)sqrt(13)
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Cheers,
Stan H.
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