544. Решите уравнение: B) 4x²-1 / 3 = x(10x - 9);

B) \frac{4x^2-1}{3} = x(10x - 9) 4x² - 1 = 30x² - 27x 26x² - 27x + 1 = 0 D = (-27)² - 4 * 26 * 1 = 729 - 104 = 625 x₁ = (27 + √625) / 52 = (27 + 25) / 52 = 1 x₂ = (27 - √625) / 52 = (27 - 25) / 52 = 2 / 52 = 1 / 26 Ответ: x₁ = 1, x₂ = 1/26