Expand: (x – 6)^2.
Note
Use (p - q)^2 = p^2 - 2pq + q^2. The last term is still positive because (-6)^2 = 36.
Expand: (x – 6)^2.
Use (p - q)^2 = p^2 - 2pq + q^2. The last term is still positive because (-6)^2 = 36.