A challenging equation for all precalculus students!
![](https://i.ytimg.com/vi/gCOWo13xxzc/mqdefault.jpg)
9:50
How to really solve sin(x^2)=sin(x)
![](https://i.ytimg.com/vi/1DSDBX6Fr3k/mqdefault.jpg)
10:55
Can we NOT solve x^4+64=0 like this?
![](https://i.ytimg.com/vi/54VT0b12U6I/mqdefault.jpg)
12:59
You probably haven't solved a quartic equation like this before!
![](https://i.ytimg.com/vi/pKxECq-l9E8/mqdefault.jpg)
8:31
Raiz quadrada de um número imaginário
![](https://i.ytimg.com/vi/rxVK5cWLRKQ/mqdefault.jpg)
10:57
How to solve a^x+bx+c=0? (Lambert W function, transcendental equation)
![](https://i.ytimg.com/vi/Ue_EdWMBEvo/mqdefault.jpg)
8:59
What's the largest possible rectangle inside of the 3-4-5 right triangle?
![](https://i.ytimg.com/vi/jCIfoKaHBX4/mqdefault.jpg)
10:53
This problem deceived me so hard, am I stupid? Factoring & quadratic formula, Reddit r/Homeworkhelp
![](https://i.ytimg.com/vi/s4YHRtvOVB4/mqdefault.jpg)
9:55