(2x + 3) (4x - 3) - 2x (4x + 1) - 17 = 7
8х² - 6х + 12х - 9 - 8х² - 2х - 17 = 7
4х - 26 = 7
4х = 7 + 26
4х = 33
х =
(2x + 3) (4x - 3) - 2x (4x + 1) - 17 = 7
8х² - 6х + 12х - 9 - 8х² - 2х - 17 = 7
4х - 26 = 7
4х = 7 + 26
4х = 33
х =