# What is the vertex form of # y= (9x-6)(3x+12)-7x^2+5x#?

##### 1 Answer

Oct 9, 2017

#### Explanation:

Given:

Perform the multiplication:

Combine like terms:

This is in the standard Cartesian form:

where

The general vertex form for a parabola of this type is:

We know that

We know that

We know that: