NEED to factorisex3 - 24X2 + 191x - 504⇒ x3 - 17x2 + 72x - 7x2 + 119x - 504⇒ x(x2 - 17X + 72) - 7(x2 - 17x - 72)⇒ (x - 7) (x2 - 17x + 72)⇒ (x - 7) (x - 8) (x - 9) Thus the Zeros of the POLYNOMIAL are 7, 8, 9