Question

How do you complete the square on `x^2-6x+2`?

Answer 1

`3 +- sqrt7`

Explanation:

`x^2 - 6x = - 2`
`x^2 - 6x + 9 = -2 + 9 = 7`
`(x - 3)^2 = 7`
`(x - 3) = +- sqrt7`
`x = 3 +- sqrt7`