Question

When solving x^2 - 12x = -13 by completing the square, what value is added to both sides of the equation?

Answer 1

half of the middle coefficent, in this case -12/2=-6--->(-6)^2---->36

Answer 2

36

Answer 3

thanks guize

Answer 4

\[(x-\frac{12}{2})^2-(\frac{12}{2})^2+13=0\]