SOLUTION: (x-3)(x^6-2x^3+1)=0

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Question 172496: (x-3)(x^6-2x^3+1)=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(x-3)(x^6-2x^3+1)=0
(x-3)(x^3-1)^2 = 0
(x-3)(x-1)(x^2+x+1) = 0
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Roots of x^2+x+1:
x = [-1 +- sqrt(1-4*1*1)]/2
x = [-1 +- isqrt(3)]/2
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Ans: x=3 or x=1 or x = [-1 +- isqrt(3)]/2
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Cheers,
Stan H.