# How do you convert vertex form to factored form #y = 3(x+7)^2 - 2#?

##### 1 Answer

May 1, 2015

Expand the vertex form into standard quadratic form; then use the quadratic root formula to determine the roots.

Using the formula for determining roots (and a very sharp pencil)

gives roots at

and

So

and

are factors of the original equation

Fully factored form