Question

z-7+7xy-xyz
Solve this fast its urgent​

Answer 1

Answer:

Step-by-step explanation:

Z-7+7xy-xyz

By factorisation method:

(Z-7) +xy(7-z)

(Z-7)+xy(-z+7)

(Z-7)+xy(z-7)

(Z-7)(1+xy)

Z=7, xy=-1

Answer 2

Answer:

Step-by-step explanation:

Z-7+7xy-xyz

By factorisation method:

(Z-7) +xy(7-z)

(Z-7)+xy(-z+7)

(Z-7)+xy(z-7)

(Z-7)(1+xy)

Z=7, xy=-1