Question

Z - 7 + 7 x y - x y z

Answer 1

7xy-7-xyz+z
7(xy-1)-z(xy-1)
(xy)(7-1)

Answer 2

Heya!!!

Ur Answer Is Here:-

Z-7+7XY-XYZ

(Z-XYZ)+(-7+7XY)
=Z(1-XY)-7(1-XY)
=(1-XY)(Z-7)

HOPE HELPS!!!