Which constant should be added and subtracted to solve the quadratic equation 4x^2 − root 3x − 5=0 by the method of completing the square? Which constant should be added and subtracted to solve the quadratic equation 4x^2 − root 3x − 5=0 by the method of completing the square? November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related