Ответ Автор - stiklin (4х + 5)(9х - 1) = 01) 4х + 5 = 04х = 0 - 54х = -5х = -5 : 4х = - 5/4 = - 1 1/42) 9х - 1 = 09х = 0 -19х = -1х = -1 : 9х = - 1/9