# How would one complete the square: #x^2 + 6x +# _?

##### 3 Answers

#### Explanation:

#"to "color(blue)"complete the square"#

#• " add "(1/2"coefficient of the x-term")^2" to"#

#x^2+6x#

#rArrx^2+6xcolor(red)(+3)^2=x^2+6x+9=(x+3)^2#

#### Explanation:

To complete square one is basically doing

or

We can see that

So all we need to condense this into

We know that

so

and

So if we put the

We include the

#### Explanation:

We have,

**First Term**

**MiddleTerm**

**Third Term**

**Let us use the Formula:**

Hence,

I think no need to double check the answer.Please see below.

e.g.