Cubics, in 3 Dimensions now. Let's do this question from a higher level of understanding. Let's be an Add Math A1 student. How? Well, I'm gonna do the answer better than anyone else. Ok, Cubic Equations. So every time there is a cube in an equation, we would want to be able solve it. The way is to get a factor from Factor Theorem. Then we can use long division to find the Quadratic