SOLUTION: This came from Factoring polynomials Section Solve.. 36=1/2x+(x+4)

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Question 171238: This came from Factoring polynomials Section
Solve..
36=1/2x+(x+4)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve..
36=1/2x+(x+4)
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multiply thru by 2x to get:
72x = 1 + 2x(x+4)
72x = 1 + 2x^2 + 8x
2x^2 - 64x +1 = 0
x = [64 +- sqrt(64^2-4*2*1)]/4
x = [64 +- sqrt(4089)]/4
x = [64 +- 63.945]/4
x = 31.9863 = x = 0.01368...
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Cheers,
Stan H.