1.) 16x^2 + 24x + 9 - 24 = 16x^2 + 24x - 152.) 18c^2 - 2(9c^2 - 6c + 1) = 18c^2 - 18c^2 + 12c - 2 = 12c - 2
1.) 16x^2 + 24x + 9 - 24 = 16x^2 + 24x - 15
2.) 18c^2 - 2(9c^2 - 6c + 1) = 18c^2 - 18c^2 + 12c - 2 = 12c - 2