SOLUTION: i cant figure this out.... {{{4/x^4-5/x^2+1=0}}}

SOLUTION: i cant figure this out.... {{{4/x^4-5/x^2+1=0}}}

Algebra.Com

Question 143960: i cant figure this out....
Answer by nabla(475) (Show Source): You can put this solution on YOUR website!

(x^2-1)(x^2-4)=0
Implies x= +/- 1 or x=+/-2

Notice the intersections.
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