SOLUTION: 3x^4+13x^2-10=0

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Question 219487: 3x^4+13x^2-10=0
Answer by Alan3354(69443) About Me  (Show Source):
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3x^4+13x^2-10=0
(3x^2 - 2)*(x^2 + 5) = 0
3x^2 = 2
x = +sqrt(6)/3
x = -sqrt(6)/3
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x^2 = -5
x = + i*sqrt(5)
x = - i*sqrt(5)