Question

ax(x-y)+ay(y-z)+az(z-x)​

Answer 1

Step-by-step explanation:

ax(x-y)+ay(y-z)+az(z-x)

= ax^2-axy+ay^2-ayz+az^2-azx

= ax^2+ay^2+az^2-axy-ayz-azx

=a(x^2+y^2+z^2-xy-yz-zx)