log1/8(8x+6)=2 ОДЗ: 8х+6>0
log1/8(8x+6)=log1/8(1/8)² 8x>-6
8х+6=(1/8)² x>-3/4
8х+6=1/64 x>-0,75
64*8х+6*64=1
512х=-383
х≈ -0,748 ∈ ОДЗ.
