How to do complete the square step by step

Completing the square method
The general form of a quadratic equation is
ax2 + bx + c= 0
Step1
Ensure that the coefficient of x2 is equal to 1
Step 2
Ensure that the constant C is placed at the other side of the equal to sign.
Step 3
Multiply the cofficient of by 1/2, then square the value you get.
Step 4
Add the value you get to both sides of the equation
Step 5
Factorize the left hand side and solve completely.