12x 6 4x 4 6x 2 2x 2 July 8, 2019 16 32 64 128 12 / 4 x 6 6 2x-4 12 6(x ^ 2 - 4) - 4x(x + 3) = 2x ^ 2 - 12x - 12 (6x - 4)(2x + 1) - 12x ^ 2 якшо x = - 3