SOLUTION: How do I factorise 8(x+y)^3-y^3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: How do I factorise 8(x+y)^3-y^3      Log On


   



Question 979074: How do I factorise
8(x+y)^3-y^3

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
8(x+y)^3-y^3
= 2^3*(x+y)^3-y^3
----------------
It's a difference of 2 cubes.
a%5E3+-+b%5E3+=+%28a-b%29%2A%28a%5E2+%2B+ab+%2B+b%5E2%29