Solving A Quadratic Equation By Completing The Square Every quadratic equation can be converted in the form: (x + a)2 – b2 = 0 or (x – a)2 – b2 = 0. Steps: 1. Bring, if required, all the term of the quadratic equation to the left hand side. 2. Express the terms containing x as x2 + 2xy or x2 – 2xy. 3. Add and subtract y2 to get x2 + 2xy + y2 – y2 or x2 – 2xy + y2 … [Read more...] about Solving A Quadratic Equation By Completing The Square