SOLUTION: I need help solving this problem. 10x^4-27x^2+5=0 Thanks

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Question 322155: I need help solving this problem.
10x^4-27x^2+5=0
Thanks
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What sort of help?
Do you know about the quadratic equation?
Can you factor it?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I need help solving this problem.
10x^4-27x^2+5=0
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Factor:
10x^4 - 25x^2 - 2x^2 + 5 = 0
--------
5x^2[2x^2 - 5] -(2x^2 - 5] = 0
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Factor:
[2x^2-5][5x^2-1] = 0
x^2 = 5/2 or x^2 = 1/5
---
x = +-[sqrt(10)/2] or x = +-sqrt(5)/5
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Cheers,
Stan H.
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