# How do you solve #3x^2-6x-24=0# by completing the square?

##### 1 Answer

Apr 3, 2015

Solving a quadratic expression by completing the square means to manipulate the expression in order to write it in the form

So, if

and conclude

First of all, let's divide by

Now, we have

Adding

Which is the form we wanted, because now we have

Which leads us to