SOLUTION: x^4=1

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Question 27081: x^4=1
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E4=1
First get the 1 to left side;
x%5E4-1=0
now factor:
(x%5E2+1)(x%5E2-1)
=)