Factor the polynomial and use the factored form to find the zeros. (Enter your answers as a comma-separated list. Enter all answers including rep P(x) = x3 + 3x2 9x 27 Sketch the graph. Find all zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) P(x) = x> 4x% + 4x 3 A polynomial P is given. P(x) = x> 5x% + 9x 45 (a) Factor P into linear and irreducible quadratic factors with real coefficients. (b) Factor P completely into linear factors with complex coefficients