SOLUTION: Solve: w^4-14w^2-2=0

Question 328459: Solve:
w^4-14w^2-2=0
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
w^4-14w^2-2=0

w^2=(14+-sqrt[-14^2-4*1*-2])/2*1
w^2=(14+-sqrt(196+8])/2
w^2=(14+-sqrt204)/2
w^2=(14+-14.283)/2
w^2=(14+14.283)/2
w^2=28.283/2
w^2=14.14
w=sqrt14.14
w=3.76 ans.
w^2=(14-14.283)/2
w^2=-.283/2
w^2=-.1414
w=sqrt-.1414
w=.376i ans.

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