Why do we "complete the square"?
3:48
When 17 year old found a mistake on the PSAT exam
8:11
"New" Way To Solve Quadratic Equations That Everyone Is Talking About
3:34
Beautiful Visual Explanation of Completing the Square
9:37
Many people make this common mistake
5:28
How to really complete the square for solving a quadratic equation
36:58
500 years of NOT teaching THE CUBIC FORMULA. What is it they think you can't handle?
23:29
How Imaginary Numbers Were Invented
30:59