## Completing the Square: Definition, Formula / Steps, Examples

What is Completing the Square Completing the square is one of method to solve quadratic form. Base concept that used in this method are: (a+b)2 = a2 + 2ab +b2 (a-b)2 = a2 – 2ab +b2 Sometimes, if quadratic form cannot be solved (can be solve hardly) by factorization method, it can use completing the square method. It is