SOLUTION: 2x^4-72x^2=0 what is the answer? this one is killing me.

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Question 262329: 2x^4-72x^2=0 what is the answer? this one is killing me.
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2x^4-72x^2=0
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Factor:
2x^2(x^2 - 36) = 0
Factor:
2x^2(x-6)(x+6) = 0
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x = 0, x = 0 or x = 6 or x = -6
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Cheers,
Stan H.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2x^4-72x^2=0
so what is the question? BTW that is one mighty equation? Do you let it out on weekends?
factor out 2x^2 then report back
it becomes difference of squares which can be factored