Edward A. answered 01/13/18
Tutor
New to Wyzant
Math Tutor, Retired Computer Scientist and Technical Communicator
It looks easy to factor
(x^3-3)(x^3+1)
the first three roots are the cube root of 3
the second three roots are the cube root of -1, which are -1 itself!
They’re all six real roots.
Andrew M.
01/13/18