SOLUTION: what is 9x^4-4y^2 completely factored?

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Question 240970: what is 9x^4-4y^2 completely factored?
Found 2 solutions by stanbon, Earlsdon:
Answer by stanbon(48569) About Me  (Show Source):
You can put this solution on YOUR website!
what is 9x^4-4y^2 completely factored?
= (3x^2-2y)(3x^2+2y)
===========================
Cheers,
Stan H.

Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Factor:
9x%5E4-4y%5E2 Rewrite this as:
%283x%5E2%29%5E2-%282y%29%5E2 This is the difference of two squares, so...
9x%5E4-4y%5E2+=+%283x%5E2-2y%29%283x%5E2%2B2y%29