Solution of Quadratic Equation by Quadratic Formula Part-2

In the previous post that is the Part-1 of this topic, the derivation of the quadratic formula was carried out. To see it, click here.
This post is just showing how the formula can be applied to solve quadratic equations.

Solution of Quadratic Equation by the Quadratic Formula Part 1

One has explained the solution of quadratic equation using completing the square method. To see the method of completing the square see here.