You probably haven't solved a quartic equation like this before!
24:50
5 Levels Of “No Answer" (when should we use what?)
32:04
easy derivative but it took me 32 minutes
9:55
Is x^x=0 solvable?
17:08
Solving a Quartic Equation
10:44
solving equations but they get increasingly awesome
9:50
How to really solve sin(x^2)=sin(x)
17:35
be careful when an imaginary number is raised to a fractional power
9:21