He's got a great song about the Quadratic Formula as well, which is in English!
https://www.youtube.com/watch?v=E2eVZFy9yzk
https://www.youtube.com/watch?v=E2eVZFy9yzk
Comments
https://www.youtube.com/watch?v=XNDOma-yEg8
https://www.youtube.com/watch?v=VOXYMRcWbF8