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

##### 1 Answer

#### Explanation:

You have to combine these variables before you can do any thing else.

Given:

From this point you can 'complete the square' or do a part version of the process.

I am opting for the part process

Write as:

Consider the coefficient of

Apply

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In your case

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Substitute

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~