# factorising

• February 27th 2009, 10:47 AM
hmmmm
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
• February 27th 2009, 11:03 AM
tah
Try to factor the difference of distinct symbols, you should get $(y - x) (z - x) (z - y)$