# How do I complete the square if #f(x) = 3x^2 + 12x - 9#?

##### 1 Answer

Sep 13, 2014

Begin by adding 9 to both sides of the equation.

Factor out a

Locate the

Add

On the left side add

Sep 13, 2014

Begin by adding 9 to both sides of the equation.

Factor out a

Locate the

Add

On the left side add