Okay, so I need to find all real zeros in this polynomial...
$f(x) = 2x^3 + x^2 - 13x + 6$
I know that the first step is to find the factors of 6 and 2, then see which when multiplied by the other coefficients have them add up to equal zero, but none of the factors I tried came out to zero. Is there an easier way to go about doing this???