Question

Richie is solving the equation x^2 – 12x = 28 by completing the square. What number should he add to

both sides of the equation to complete the square? Pleaseee Help

Answer 1

Richie should add the number 36 to both sides.

Explanation:

To complete the square, you need to divide b by 2, square it, then add it to both sides. In this case, you'd do this:

12/2=6

6^2=36