SOLUTION: m^4-n^4=

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Question 200672: m^4-n^4=
Answer by tutorcecilia(2152) About Me  (Show Source):
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m^4-n^4 [factor the difference of two squares]
(m^2-n^2)(m^2+n^2)[again, factor the difference of two squares]
(m-n)(m+n)(m^2+n^2)