Solve the inequality x(x + 6) > 16 - x + 14 + x^2. Write your answer in interval notation.
x ( x + 6) > 16 - x + 14 + x^2
x^2 + 6x > x^2 + 30 - x
7x > 30
x > 30 / 7 = ( 30 / 7 , inf )