integral((-8)^(-1) (8 - 7 x - x^2 - 2 (8 + x)) dx) + integral((-1)^1 (-8 + 7 x + x^2 + 2 (8 + x)) dx) = 443/6≈73.8333
integral((-8)^(-1) (8 - 7 x - x^2 - 2 (8 + x)) dx) + integral((-1)^1 (-8 + 7 x + x^2 + 2 (8 + x)) dx) = 443/6≈73.8333