(x-5)*(x-3)=(x-2)*(x-4)
(x - 5)(x - 3) = (x - 2)(x - 4) x² - 8x + 15 = x² - 6x + 8 x² - 8x - x² + 6x = 8 - 15 - 2x = - 7 x = 3,5