# How do you solve using the completing the square method #x^2+6x=7#?

##### 1 Answer

Apr 18, 2016

Create a perfect square trinomial on the left side, and your solution is not far away!

#### Explanation:

First, the lead coefficient should = 1 to make this easiest.

Then, take half of the linear coefficient, then square it. Add to both sides:

Factor the left:

Take the square root of both sides:

Left side inverse operations undo each other, on the right side, don't forget the

so

so x = 1 or -7.