Question 978660
This will have degree 3.
Complex roots occur in pairs, 4i and minus 4i

x^2+16=0 would be one pair of roots 
x-2=0 would be the other.

x^3-2x^2+16x-32

=x^3+14x^2-32


{{{graph(300,300,-10,10,-1000,1000,x^3-2x^2+16x-32)}}}