# How do you solve the quadratic equation by completing the square: #x^2+6x=7#?

##### 1 Answer

Aug 1, 2015

#### Explanation:

In order to solve this quadratic equation by completing the square, you need to write the left side of the equation as the **square of a binomial**.

To do that, you need to add a term to both sides of the equaion. More specifically, you need to divide the coefficient of **2** and **square** the result.

Add

The left side of the equation can now be written as

This will get you

Take the square root from both sides of the equation