Solve the inequality $(x - 2)(x + 6) \le x^2 + 14.$ Write your answer in interval notation.
x^2 + 4x - 12 ≤ x^2 + 14
4x ≤ 26
x ≤ 26 / 4
x ≤ 13 / 2
( -inf, 13/2 ]
+1839 
