Solving a cubic equation but you (probably) haven’t seen this way before
3:58
Solving x(x(x+1)+1)+1=0
9:50
How to really solve sin(x^2)=sin(x)
6:45
We need to start using the cube roots of unity like this! Solving x^3=64
6:41
Solving a simple cubic equation. A trick you should know!
17:49
How to depress a cubic
10:34
This Olympiad Question Requires a Genius-Level Insight to Solve.
17:08
Solving a Quartic Equation
36:58