x³ = 8/125
Basically, all this question is asking you is to find the cubed root on 8 and 125.
Cube root of 8 is 2.
Cube root of 125 is 5.
So, x = 2/5
To check your answer, just do :
2/5 × 2/5 × 2/5 , because you're just squaring x.
^ So, that above answer is 8/125, therefore x = 2/5
~Hope I helped!~