Question

☺️ Solve it : please
$- xy + yz - zx \: \: from \: xy - yz + xz$
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Answer 1

Answer:

xy-yz+xz-(-xy+yz-zx)

xy-yz+xz+xy-yz+zx

2xy-2yz+2xz

2 (xy-yz+xz)