Solve the quadratic equation by completing the square. What are the missing pieces to the steps?

–27 = 4x2 – 24x

–27 = 4(x2 – 6x)

–27 +
= 4(x2 – 6x + 9)

9 = 4(x – 3)2

= (x – 3)2

±
= x – 3


= x