Question

How do you solve `x^2 - 12x + 36 = 25` by completing the square?

Answer 1

`x^2 -12x+36=25`

or, `x^2 -2*6*x +(6)^2 =25`

or, `(x-6)^2 =5^2`

either, `x-6=5` or, `x-6=-5`

so,`x=11` or, `x=1`