Question

Factorise =z-7+7xy-xyz​

Answer 1

Answer:

Step-by-step explanation

z-7+7xy-xyz

Rearranging the terms

z-xzy-7+7xy

z(1-xy) - 7 (1-xy)

(z-7)(1-xy)

Answer 2

Step-by-step explanation:

z-7+7xy-xyz

=z(1-xy)-7(1-xy)

=(z-7)(1-xy)