Answer:
The steps are explained below.
Explanation:
we have to explain the completing the square method used to solve quadratic equation.
Following steps are used:
Let general quadratic equation

Step 1: Divide all terms by a to make the coefficient of
equals to 1.
Step 2: Move the constant term to the right side of the equation.
Step 3: Add and subtract the square of half of the coefficient of x.
Step 4: Complete the square on the left side of the equation and subtract the constant term from right side of equation.