Question

О.
Add
Х – у +x y z , z- y -x ,x yz - z, x +y + z + x y z
​

Answer 1

Answer:

$x - y + xyz \\ = x + - y + xz \\ = xz + x - y \: \: answer$

$z - y - x \\ = z x - y + x \\ = -x - y + z \: \: answer$

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