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

Question 32246: x^4-x^2-12=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(x^2-4)(x^2+3)=0
(x-2)(x+2)(x+sqrt3i)(x-sqrt3i)=0
x=2 or x=-2 or x=-isqrt3 or x=isqrt3
Cheers,
stan H.

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