Equation
posted by Lisa .
4x (little 2) =0
Not sure what name the technique means. I know this is a Quadratic Equation.

Some of the following tutorials may help you:
http://search.yahoo.com/search?fr=mcafee&p=Quadratic+Equation+tutorials
Sra 
What name? What technique?
x^2 = x squared online
4x^2 = 0
x = 0