Уравнение..............................
(x² + 3x) /8 - x / 2 = 0 (x² + 3x) /8 = x / 2 8x = 2( x² + 3x) 8x = 2x² + 6x 8x - 2x² - 6x = 0 - 2x² + 2x = 0 2x² - 2x = 0 D = b² - 4ac = (-2)² - 4 × 2 × 0 = 4 = 2² x₁ = 2 + 2 / 4 = 4/4 = 1 x₂ = 2 - 2 / 4 = 0 / 4 = 0