Solving Quadratic Equations by Factoring by Shmoop

Special Report: One of the last Twinkies has been stolen, and it can only be recovered by factoring a quadratic equation. There's no hurry, though. Those things last forever.

[morgangrace]

i noticed there is an error. When the graph is shown with all of the possible combinations there are two of the same equations, but they have two different answers.