SOLUTION: Solve. 9x^4-18x^2+5=0

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Question 467757: Solve.
9x^4-18x^2+5=0



Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

9x^4-18x^2+5=0

factoring

(3x^2 - 1)(3x^2 - 5) = 0

(3x^2 - 1)= 0     x = sqrt(1/3)

(3x^2 - 5) = 0    x = sqrt(5/3)