Question

factorise a² + b - ab - a​

Answer 1

Answer:

a square - ab + b - a

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

(a-1)(a-b)

Answer 2

Answer:

ANSWER

a 2 +b−ab−a

=a 2 −ab+b−a

=a(a−b)−1(a−b)

=(a−1)(a−b)

Step-by-step explanation:

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