<span>(1,6х+1)(1-1,6х)-64х(1-0,04х)=0
1,6х-2,56х²+1-1,6х-64х+2,56х²=0
</span><span>1-64х=0</span>
-64х=-1
х=1/64
3-1,2=1,8
5-1,3=3,7
6-1,3=4,7
ОДЗ 37х+2>0 37x>-2 x>-2/37
log37 (37x+2)<=log37 (37)
37x+2<=37
37x<=35
x<=35/37
(-2/37;35/37]
-3+(-6)=-9
................