Помогитеееее (5х+1)(2х-3)=(10х-3)(х+1)
(5x + 1)(2x - 3) =(10x - 3)(x + 1) 10x² - 15x + 2x - 3 = 10x² + 10x - 3x - 3 10x² - 13x - 3 - 10x² - 7x + 3 = 0 - 20x = 0 x = 0