SOLUTION: (2x-1)(x+1)=4 Solve quadtic formula

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Question 743024: (2x-1)(x+1)=4
Solve quadtic formula
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(2x-1)(x+1)=4
2x^2 + 2x -x -1 = 4
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2x^2 +x -5 = 0
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x = [-1 +- sqrt(1-4*2*-5)]/4
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x = [-1 +- sqrt(41)]/4
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Cheers,
Stan H.
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