### Factor Completely Polynomial Functions

11. Factor completely. If the polynomial is prime, state this. 3x3 + 6x2 - 189x 12. Factor completely. If the polynomial is prime, state this. x2 - 1.1x + 0.28 13. Factor completely. If the polynomial is prime, state this. 2x2 - 8x + xy - 4y 14. Solve by factoring and using the principle of zero products.