Помогите решить уравнение
(х-3)(4х-3)+(2х-1)(2х+1) ___________________ = 1 (2х+1)(4х-3) 4х² -3х -12х +9 +4х²-1 = (2х+1)(4х-3) 8х² - 15х +8 = 8х² -6х +4х -3 8х² -15х +8 = 8х² -2х -3 8х² -15х +8 - 8х² +2х +3 = 0 -13х +11 = 0 -13х= -11 х = 11/13