What are quadratic equations? Most of us know that a quadratic equation is a degree 2 equation in one variable. For those of you who would like to learn more about quadratic equations and how to solve them and also for Class 11, ISC Maths students, this video is for you! This is my first course on quadratic equations . Here, you will learn about i. How to solve a quadratic equation, using the formula. You can also solve it by direct factorisation, but what happens if the corr