Question

simplify x(y-z)+y(z-x)+z(x-y)

Answer 1

x(y-z)+y(z-x)+z(x-y)
=xy-xz+yz-yx+zx-zy
=0

Answer 2

hey mate! here u go （＾ｖ＾）
=x(y-z)+y(z-x)+z(x-y)
=xy-xz+yz-xy+xz-yz
=(xy-xy)+(-xz+xz)+(yz-yz)
=(0)+(0)+(0)
=0

hope u will appreciate my efforts (☆^ー^☆)wish u all the best