# How do you solve by completing the square: #x^2 - 4x +2 = 0#?

##### 1 Answer

Apr 3, 2015

(Please note that I edited your question to place a plus sign between the

Subtract the constant (

If

then

Add 4 to both sides of the equation

Rewrite the left side as a square

Take the square root of both sides

Giving the solutions