SOLUTION: x=(20 + 14 sqrt(2))^(1/3) + (20 - 14 sqrt(2))^(1/3) Solve for x. Don't know how to even start solving.

Algebra ->  Exponents -> SOLUTION: x=(20 + 14 sqrt(2))^(1/3) + (20 - 14 sqrt(2))^(1/3) Solve for x. Don't know how to even start solving.      Log On


   

Question 932384: x=(20 + 14 sqrt(2))^(1/3) + (20 - 14 sqrt(2))^(1/3) Solve for x. Don't know how to even start solving.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x = (20 + 14 sqrt(2))^(1/3) + (20 - 14 sqrt(2))^(1/3)
Solve for x.
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(20 + 14sqrt(2))^(1/3) = 3.4142..
(20 - 14sqrt(2))^(1/3) = 0.5858
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x = sum = 4
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Cheers,
Stan H.
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Cheers,
Stan H.
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