Question 871018
<a href="http://www.algebra.com/tutors/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev">This is the lesson you should understand.  Completing the Square to Solve General Quadratic Equation</a>


That will also help you in graphing the equation.  TRY FIRST FACTORING, in case this may help to avoid needing to solve through general solution method.