SOLUTION: x^4-121=0

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Question 1010473: x^4-121=0
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Factoring x^4-121=0 we get
(x^2 + 11)(x^2 - 11) = 0
x = +/- sqrt(11) and x = +/- i*sqrt(11)