Решите уравнение...........................
3x^2 - 10x - 14x - x^2 3x^2 - 10x + 14x + x^2 = 0 4x^2 + 4x = 0 x(4x + 4) = 0 x = 0 или 4x + 4 = 0 4x = -4 x = -4:4 x = -1 Ответ: -1; 0