# Solve the cubic formula for x

1. Mar 25, 2010

### Strafespar

How would you go about solving $$ax^3+bx^2+cd+d=0$$ for x. Please step by step! Thanks!

2. Mar 25, 2010

### jbunniii

3. Mar 25, 2010

### Strafespar

In the $$X_{1}$$ example, does x=y-b/3a?