6x 5x 20 x x 2 8x 16 July 8, 2019 16 32 64 128 6/(5x - 20) - (x - 5)/(x ^ 2 - 8x + 16) 6/(5x - 20) - (x - 5)/(x ^ 2 - 8x + 16) якщо x = 5 4 5 (8x + 20) = 6 (6x + 15)
