Ответ Автор - krugly1981 3x² - 7x - 6 = 0D = b² - 4acD = ( - 7)² - 4 × 3 × ( - 6) = 49 + 72 = 121 = 11²x₁ = 7 + 11/ 2 × 3 = 18/ 6 = 3x₂ = 7 - 11/ 2 × 3 = - 4/ 6 = - 2/3Ответ: x₁ = 3, x₂ = - 2/3