SOLUTION: Please solve w^4-14w^2-2=0 What is the solution w = _?_ Type an exact answer using radicals as needed. Use commas to seperate answers as needed

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Question 342033: Please solve
w^4-14w^2-2=0
What is the solution w = _?_
Type an exact answer using radicals as needed. Use commas to seperate answers as needed
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
w^4-14w^2-2=0
w+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
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+-14.28)/2
w^2=(14+14.28)/2
w^2=28.28/2
w^2=14.14
w=sqrt14.14
w=3.76 ans.
w^2=(14-14.28)/2
w^2=-.28/2
w^2=-.14
w=sqrt.14
w=.374i ans.