1) x¹²*y¹² = xy¹²⁺¹² = xy²⁴
2) -125m³*n³ = -125mn³⁺³ = -125mn⁶
3) 32m³*q³ = 32mq³⁺³ = 32mq⁶
4) 1000000000a⁹*b⁹*c⁹ = 1000000000abc²⁷
3x²+5x-8<0 D=121
x₁=1 x₂=-2²/₃
(x-1)(x+2²/₃)<0
-∞_____+______-2²/₃______-_____1_______-______+∞
x∈(-2²/₃;1).
Ответ: -2;-1; 0.