7x 3 14x 2 x 2 July 8, 2019 16 32 64 128 7x 2 3xy 3 14x 4 x 2y X 4 7x 3 2x 2 14x X 5 7x 4 10x 3 14x 2 24x (7x - 3)(2x + 1) - 14x ^ 2 якшо x = 8 2 7x ≥-14