SOLUTION: x^4+x^2-12=0

Question 882963: x^4+x^2-12=0
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
You may find it easy to factor .
If you replace for (and consequently for ),
you realize that and that
any solution to is a solution to and vice versa.
The only real solutions to are
and ,
which are the solutions to .
does not have any real solution.
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