X 4 2 3x 22 5 2x 5 3 x 2 2 July 8, 2019 16 32 64 128 ((2x + 5)/(x ^ 2 + 4x + 4) - (x + 3)/(x ^ 2 + 2x)) / ((x ^ 2 - 6)/(x ^ 3 - 4x)) = (x - 2)/(x + 2) (2 ^ (x + 5) - 2 ^ (- x))/(2 ^ (3 - x) - 4 ^ (- x)) = 2 ^ x (x ^ 2 - 4x - 5)/(x ^ 2 - 3x + 2) * (x ^ 2 - 5x + 6)/(x ^ 2 - 3x - 10) (4x)/(x ^ 2 + x + 3) + (5x)/(x ^ 2 - 5x + 3) = - 3/2
