SOLUTION: solve X^4-23x^2-108=0
thanks
Algebra.Com
Question 369419: solve X^4-23x^2-108=0
thanks
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x^4-23x^2-108=0
...
x^4-27x^2+4x^2-108=0
x^2(x^2-27)+4(x^-27)=0
(x^2-27)(x^2+4)=0
...
m.ananth@hotmail.ca
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