Question

Factorise: a – b – a2 – b2.

Answer 1

Answer:

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

Step-by-step explanation:

Factorise of a-b-a2-b2

Answer 2

Answer:

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Step-by-step explanation:

Given polynomial is

=a−b−a²+b²=(a-b)-(a²-b²)

=(a−b)−(a−b)(a+b)

=(a−b)[1−(a+b)]