Объяснение:
(1/3)^(x²-2x)<(1/9)¹⁶⁻ˣ
(1/3)^(x²-2x)<(1/3)³²⁻²ˣ
x²-2x<32-2x
x²<32
x<±√32; x₁<-4√2; x₂<4√2
x∈(-∞; -4√2)∪(4√2; +∞)
