Example 2: a) Find the list of all possible rational zeros for the polynomial. P(x) = 4x4 - x3 + 5x2 - 2x-6 t 1 + 2 + 3 + 6 + 1 + 2 + 3+ 6 + 1/2 + 2 + / 4+3 +1 +2+4 b) Find the complex zeros of the polynomial. Then write the zeros as a set of linear factors