Question

Factorise : x cube /216 -8y cube

Answer 1

your question can be written as
(x/6)^3-(2y)^3
using (x+y)^3=x^3+y^3+3x^2y+33x^2y+3xy^2
x=x/6,y=2y
put the value in place of the identity you will get the answer

Answer 2

Step-by-step explanation:

very difficult question I also don't know