Question

Facterise the following : a= x2 + xy - x - y

Answer 1

Step-by-step explanation:

x²+xy-x-y

x(x+y)-x-y=0

x+y=0

x-x-y=0

y=0

Answer 2

Step-by-step explanation:

x(x+y)-1(x+y)

(x+y)(x-1)