SOLUTION: What is the answer to this quadratic equation, x^4-2x^2-35=0 Step by step will be greatly appreciated. Thank you

SOLUTION: What is the answer to this quadratic equation, x^4-2x^2-35=0 Step by step will be greatly appreciated. Thank you

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Question 635936: What is the answer to this quadratic equation, x^4-2x^2-35=0
Step by step will be greatly appreciated. Thank you
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!

let x^2=a

a= 7 OR a=-5
resubstitute a

x= +- (sqrt(7))

x^2= -1*5
x= +-(sqrt(-1) * sqrt(5))
x= +- (sqrt(5) i)
m.ananth@hotmail.ca

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