Решите уравнение (x-12)(x-3)-(x-1)(x-6)=6
(x - 12)( x - 3) - ( x - 1)( x - 6) = 6 x² - 15x + 36 - ( x² - 7x + 6) - 6 = 0 x² - 15x + 36 - x² + 7x - 6 - 6 = 0 - 8x = - 24 8x = 24 x = 3