Question

The factor of a² +b - ab -a are​

Answer 1

a² – a + b – ab

a(a – 1) + b(1 – a)

a(a – 1) – b(a – 1)

(a – 1)(a – b)

Hence (a – 1) and (a – b) are it's factor

Step-by-step explanation:

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Answer 2

²- + -

(-1) + (1- )

(-1) - (-1)

(-1) (-)

= (-1) (-)