Question 1046435
Your textbook should show this.  The method will use Completing The Square.


Additionally, learn from these:


<a href="https://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev">Completing the Square to Solve a Quadratic Equation,  https://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev</a>


<a href="https://www.youtube.com/watch?v=MD4AiN1Gsmc">Video showing how to change a general form quadratic equation into standard form</a>