I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

In this video I work through 68 examples of factoring quadratic expressions when a is not equal to one. The first couple of ...

The quadratic equation is a key topic in algebra. Many students find it challenging at first, but it describes many real-world situations.In physics, it shows the path of objects in motion. Engineers ...