3x x 2 )- 7x 14 0 July 8, 2019 16 32 64 128 3x 6 2 7x 14 3 x 1 9 0 (7x - 3)(2x + 1) - 14x ^ 2 якшо x = 8 (7x - 3)(2x + 1) - 14x ^ 2 якшo x = 8