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

##### 1 Answer

Aug 14, 2017

#### Answer:

#### Explanation:

We need to add a number to create the constant

Since b = - 3 then

But we already have - 6 = - 24/4 so we need to add 33/4

And we also need to subtract 33/4 to keep the equation true

This results in

Taking the root and adding 3/2 to both sides

gives the result