Guys, I may need your help. There is a question saying that how to solve the cubic function in general form, which means that y=ax^3+bx^2+cx+d. How do you guys solve for x? To be honest, I have no idea of this question. Probably, it uses the same way as the quartic function. Thanks!
Geogebra
You should go on google and search for Geogebra. It is free, but you need to have jave on your computer, so that you can use Geogebra smoothly.