Question

Factorise :-
a - b - a² - b²​

Answer 1

Answer:

(a-b)[1-(a+b)]

Step-by-step explanation:

=(a-b)-(a²-b²)

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

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

Answer 2

Answer:

a-b-a^2-b^2

(a-b) -(a-b) ^2

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

2(a+b) -(a-b)

therefore,

(a-b)