SOLUTION: w^4-18w^2-2=0 What is the solution?

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Question 236542: w^4-18w^2-2=0
What is the solution?

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
w^4-18w^2-2=0

w=(18+-sqrt[-18^2-4*1*-2])/2*1
w=(18+-sqrt[324+8])/2
w=(18+-sqrt332)/2
w=(18+-18.22)/2
w=36.22)/2
w=18.11 ans.
w=(18-18.22)/2
w=-.22/2
w=-.11 ans.

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