Question 38301
Find the zeros of the function {{{f(x)=2x^4-x^3+3x^2-3x-9}}}
For short, I will use synthetic division and Descarte's Rule of Signs.
{{{f(x)=((x-(3/2))(x+1)(2x^2+6))}}}
Zeros should be: 1.5, -1, +-i(3)^(1/2)