4:20

Mistakes students make with operations of functions #brianmclogan

12:18

Factoring Quadratics when a is not 1 ( Let's Learn Factoring)

9:18

Three Polynomials You Must Know how to factor

8:39

Can we just keep taking the natural logarithm?

11:31

Solving a 'Harvard' University entrance exam

13:09

math professor explains viral square root problem

12:50

I visited the world's hardest math class

6:30

Student asked me what's the transformations