Mathematics
x(y - z) + y(z - x) - z(y - x) is equal to:
0
xy + yz + zx
xy + yz - zx
xy - yz + zx
Algebraic Expressions
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Answer
x(y - z) + y(z - x) - z(y - x)
= xy - xz + yz - xy - yz + xz
= (xy - xy) + (- xz + xz) + (yz - yz)
= 0 + 0 + 0
Hence, option 1 is the correct option.
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