1.
36^(log₆4)=6^(2log₆4)=6^(log₆4²)=4²=16
log₃lg1000=log₃3=1
2.
(3x⁵)³ : 9x⁶=3³x¹⁵ : (3²x⁶)=3x⁹
3.
x-8=3³
x-8=27
x=27+8
x=35
4.
6⁵⁻⁸ˣ=6⁻³
5-8x=-3
-8x=-3-5
-8x= -8
x=1
5.
(6.9*10³) : (3*10⁻¹)=2.3*10⁴=23000
6.
ОДЗ:
5x-6>0 9x+4>0
5x>6 9x> -4
x>1.2 x> -4/9
В итоге ОДЗ: x>1.2
log₈(5x-6)+log₈8=log₈(9x+4)
log₈(8*(5x-6))=log₈(9x+4)
40x-48=9x+4
40x-9x=4+48
31x=52
x=52/31
x=1 ²¹/₃₁