40c^2 - (1 - 6c)^2 + 1 = 40c^2 - (1 - 12c + 36c^2) + 1= 40c^2 - 1 + 12c - 36c^2 + 1= -36c^2 + 12c + 40c^2 + 1 + 1= 4c^2 + 12c + 2
40c^2 - (1 - 6c)^2 + 1 = 40c^2 - (1 - 12c + 36c^2) + 1
= 40c^2 - 1 + 12c - 36c^2 + 1
= -36c^2 + 12c + 40c^2 + 1 + 1
= 4c^2 + 12c + 2