1. (8х + 1)(2х - 3) - (4х-2)^2 = 1
16х²-24х+2х-3-16х²+16х-4-1=0
16х²-22х-3-16х²+16х-4-1=0
-6х=8
х=-8/6=- 1 1/3
2 .5х(5х - 1) - (5х + 3)(5х - 3) = х - 3
25х²-5х-25х²+9=х-3
6х=12
х=2
1. (8х + 1)(2х - 3) - (4х-2)^2 = 1
16х²-24х+2х-3-16х²+16х-4-1=0
16х²-22х-3-16х²+16х-4-1=0
-6х=8
х=-8/6=- 1 1/3
2 .5х(5х - 1) - (5х + 3)(5х - 3) = х - 3
25х²-5х-25х²+9=х-3
6х=12
х=2