Product of all zeros of the cubic polynomial 3x^3-5x^2+8x-12 will be Share with your friends Share 2 Priyanka Kedia answered this Let α,β, and γ are the roots of the cubic polynomial 3x3-5x2+8x-12.Then,αβγ=-constant termcoeffcient of x3 =--123 =4⇒αβγ=4Hence product of all zeroes of the cubic polynomial is 4. 1 View Full Answer