Solving a Quadratic Equation When a = 1 by Completing the Square Solve x2 - 16x + 60 = -12 by completing the steps.

First, subtract _ from each side of the equation.
Next, add_ to each side of the equation to complete the square.
Now, write x² - 16x + 64 = -8 as _
Take the square root of both sides to get the solutions.