Question

factorise
a^2-b^2-a-b​

Answer 1

Answer:

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

Step-by-step explanation:

Factorise a2 - b2 - a - b

a2 - b2 - a - b = [(a - b)(a + b)] - (a + b) = (a + b)(a - b - 1).

Therefore, factors of a2 - b2 - a - b are (a + b)(a - b - 1).

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