Question

Factorise: ax^2 - ay^2 - x - y
Ans: (x + y) (ax - ay - 1)​

Answer 1

Answer:

ax² - ay² - x - y

= a(x² - y²) - (x + y)

= a(x + y)(x - y) - (x + y)

= (x + y){a (x - y) - 1}

= (x + y)(ax - ay - 1)

hope it helps you!!