(3x³)²÷9׳

Answer 1

geez - use the same symbol for x each time, ok?
(3x^3)^2÷9x^3 = 9x^6/9x^3 = x^3
or,
(3x³)²÷9׳ = (3x³)(3x³)÷(9x³) = 9x³x³/9x³ = x³