SOLUTION: can you please help me to factor the equation n^4 -256 ? thank you!

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Question 696635: can you please help me to factor the equation n^4 -256 ? thank you!
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

n%5E4+-256..write 256 as 4%5E4

n%5E4+-4%5E4

%28n%5E2%29%5E2+-%284%5E2%29%5E2......use the “difference of squares” rule

%28n%5E2+-4%5E2%29%28n%5E2%2B4%5E2%29

%28n+-4%29%28n%2B4%29%28n%5E2%2B16%29