Question

factorise:a-b-a^2+b^2​

Answer 1

Answer:

(a-b)(1-a-b)

Explanation:

(a-b)-a2+b2

= (a-b)-(a2-b2)

=(a-b) - (a-b)(a+b)

=(a-b)(1-(a+b))

=(a-b)(1-a-b)

Answer 2

Answer:

hey mate

factorise : a-b-a²+b²

= a-b-(a²-b²)

= a-b-(a+b)(a-b)

= a-b (1-(a+b))

= (a-b) (1-a-b)

hope it will help you