Question

$x(y - z) + y(z - x) + z(x - y)$
​

Answer 1

Answer:

xy(x−y)+yz(y−z)+zx(z−x)

=xxy−xyy+y

2

z−yz

2

+xz

2

−x

2

z

Step-by-step explanation:

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Answer 2

Answer:

= o

Step-by-step explanation:

X(Y-Z) + Y(Z-X) + Z(X-Y)

= XY - XZ + YZ - YX + ZX + ZY

= 0