(х-6)(х+2)-(х-4)(х+4)=3х+2
х²+2х-6х-12-(х²-16)=3х+2
х²-4х-12-х²+16=3х+2
-4х-3х=2+12-16
-7х=-2 /-7
х=2/7
(х-6)(х+2)-(х-4)(х+4)=3х+2
х²+2х-6х-12-(х²-16)=3х+2
х²-4х-12-х²+16=3х+2
-4х-3х=2+12-16
-7х=-2 /-7
х=2/7
x² + 2x - 6x - 12 - x² + 16 - 3x - 2 = 0
-7x + 2 = 0
-7x = -2
x =