If one zero of the quadratic polynomial x2-5x+K is-4.then find the value of k? Share with your friends Share 3 Adyasa Choudhury answered this If one of the zero is -4 then x2-5x+k= =(-4)(-4)-5(-4)+k=0 =16+20+k=0 =16+20=-k =k=-36 15 View Full Answer