SOLUTION: find all solution of 2*z^4-3*z^3-7*z^2-8*z+6=0

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Question 1104065: find all solution of 2*z^4-3*z^3-7*z^2-8*z+6=0
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
The plot below is your HINT.

Two roots are x= 3 and x= 0.5. 




Plot y = 2%2Ax%5E4-3%2Ax%5E3-7%2Ax%5E2-8%2Ax%2B6

Can you do the rest ?