Solving the Quadratic equations by Completing the square

Completing the square is a method to solve the quadratic equations and it is used to find the roots or zeros of them. Here is the list of quadratic equations questions with solutions to learn how to solve quadratic equations by completing the square.

$(1) \,\,\,$ $2x^2+x-4 = 0$

$(2) \,\,\,$ $5x^2-6x-2 = 0$

$(3) \,\,\,$ $2x^2-7x+3 = 0$