x(y-z)+y(z-x)+z(x-y)
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Answered by
1
=xy-xz+yz-xy+xz-yz
=0
hope it helps
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0
Answer: xy-xz+yz-yx+zx-zy = y-z+z-x+x-y= y-2z-2x-y = 2z-2x-2y = 2(z-x-y)= Answer
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