(x+11+ 6(x+2)1/2)1/2+((x+11-6(x+2)1/2)1/2=x+2
(х+11+6х+12)1/2)1/2+((х+11-6х-12)1/2)1/2=х+2 ((7х+23)1/2)/2+((-5х-1)1/2)1/2=х+2 (7х+23)1/2+(-5х-1)1/2=2х+4 7х+23-5х-1=4х+8 2х+22=4х+8 22-8=4х-2х 2х=14 х=7