SOLUTION: n4 - 2n2 - 8 = 0

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Question 450263: n4 - 2n2 - 8 = 0
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n4-2n2-8=0
(n2+2)(n2-4)=0
(n2+2)(n+2)(n-2)=0
n=2 or -2..