Sum of the zeros of the cubic polynomial P(x)=3x³-5x²-11x-3 ? Share with your friends Share 0 Abhilash V answered this -b / a = 5 / 3I think , it should be the correct answer 1 View Full Answer Shikhar Sachdev answered this Sum of zeroes : -b/a = 5/3 1 Shambhavi Kurtkoti answered this but this equation is not in the ax2 + bx +c then how could we use -b/a formula?? 3 Namrata Bhirud answered this It is same @Shambhavi. It does not change in cubic equation also.So...-b/a = -(-5)/3 = 5/3. 2 Imti Longchar answered this Can someone give the equation 5 Jalal Ahmed answered this This should be the correct answer -1