Question

8х(1+2х)-(4х+3)(4х-3) = 2х

Answer 1

8х(1+2х)-(4х+3)(4х-3) = 2х
8х+16х²-(16х²-12х+12х-9)=2х
8х+16х²-16х²+12х-12х+9=2х
8х+9=2х
8х-2х=-9
6х=-9
х=-9/6
х=-1 3/6=-1,5

Answer 2

(8x+16x^2)-(16x^2-9)=2x
8x-2x=-9
x=-1.5