8х+16х^2-16х^2-12х+12х-9=2х
8х-2х=9
6х=9
х=9÷6
х=1 1/2
23. 8x+16x²-16x²+12x-12x+9=2x
6x=9 x=3/2
24. x²-36-x²-8x=2
8x= -38 x= -19/4
8х+16х^2-16х^2-12х+12х-9=2х
8х-2х=9
6х=9
х=9÷6
х=1 1/2
23. 8x+16x²-16x²+12x-12x+9=2x
6x=9 x=3/2
24. x²-36-x²-8x=2
8x= -38 x= -19/4