Question

a^2 +b-ab-a


answer is (a-1) (a-b)​

Answer 1

Step-by-step explanation:

he... guess your answer is here......

a^2+b-ab-a=a(a-b)-1(a-b)

=(a-1)(a-b).

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Answer 2

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$a {}^{2} + b - ab - a \\ {a}^{2} - ab + b - a \\ a(a - b) + 1(b - a) \\ a(a - b) - 1(a - b)$