SOLUTION: how do you solve x^4 - 4*y^4 ?

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Question 76778: how do you solve x^4 - 4*y^4 ?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(x^2)^2 - (2y^2)^2 look familiar? like p^2 - i^2
(x^2 - 2y^2)(x^2 + 2y^2)