# Math Help - factorising

1. ## factorising

How do i factorise x(y^2) + (z^2)y +z(x^2) -(z^2)x - (x^2)y - (y^2)z
any help would be greatly appreciated thanks

2. Try to factor the difference of distinct symbols, you should get $(y - x) (z - x) (z - y)$