4. Решите уравнение: 1) x² - 64 = 0 2) (x + 5)² - (x - 1)² = 48

1) x² - 64 = 0 x² = 64 x = ±8 2) (x + 5)² - (x - 1)² = 48 x² + 10x + 25 - (x² - 2x + 1) = 48 x² + 10x + 25 - x² + 2x - 1 = 48 12x + 24 = 48 12x = 24 x = 2