F(x)=(6x^5-5)^9 производная функции
F(x)' = 9(6x⁵ - 5) * 30x⁴ = 270x⁴ (6x⁵ - 5) = 1620 x⁹ - 1350x⁴
F'(x)=9(6x^5-5)^8*30x^4=270x(6x^5-5)^8