How To Solve A Quadratic Formula By Completing The Square Complete Guide

Solve the quadratic equation by completing the square. However even if an expression isnt a perfect square we can turn it into one by adding a constant number. In symbol rewrite the general form.

You can solve quadratic equations by completing the square.

In elementary algebra the quadratic formula is a formula that provides the solutions to a quadratic equationThere are other ways of solving a quadratic equation instead of using the quadratic formula such as factoring direct factoring grouping AC method completing the square graphing and others. However even if an expression isnt a perfect square we can turn it into one by adding a constant number. 1 to factor the quadratic equation if you can do so 2 to use the quadratic formula or 3 to complete the square. Find the roots of the quadratic equation x2 4x 5 0 by the method of completing the square.