Question

Factorise:
1.ax-bx-az+bz
2.pr+qr-ps-qs​

Answer 1

Answer:

1. (ax-bx) - (az+bz)

= x(a-b) - z (a+b)

= (a-b) (x-z)

Answer 2

Answer:

1.(x-z)(a-b)

2.(r-s)(p+q)

Step-by-step explanation:

1. a(x-z)-b(x-z)

(x-z)(a-b)

2.p(r-s)+q(r-s)

(r-s)(p+q)