Solving a simple cubic equation. A trick you should know!
31:27
EXTREME quintic equation! (very tiring)
9:16
What is the value of this sum?
12:32
Can you solve the water glass and wine bottle riddles?
11:45
Solving a Cubic equation Using an Algebraic Trick
14:24
Cubic Formula for Depressed Cubic
6:58
Can you solve this?
20:19
Amadores acabaram de resolver um problema de matemática de 30 anos
36:58