Question 490215: x^1/2 + 3x^1/4 - 10=0
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! x^1/2 + 3x^1/4 - 10=0
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Quadratic form with w = x^(1/4)
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w^2 + 3w - 10 = 0
Factor:
(w+5)(w-2) = 0
w = 2 or w = -5
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Solve for "x":
w = x^(1/4) = 2 or w = x^(1/4) = (-5)
w = 2^4 or w = (-5)^4
w = 16 or w = 625
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Cheers,
Stan H.
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