SOLUTION: x^4+3x^2-10=0

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Question 370971: x^4+3x^2-10=0
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x^4+3x^2-10=0
..
x^4+5x^2-2x^2-10=0
x^2(x^2+5)-2(x^2+5)=0
(x^2+5)((x^2-2)=0
x= (+/-) sqrt(5) OR
x= (+/-) sqrt (2)
m.ananth@hotmail.ca