Question

factorise by grouping method : a^2 +b-ab-a
solve this question please​

Answer 1

a^2 + b - ab - a

= a^2 - ab + b - a

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

= ( a - 1 ) ( a - b)

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Answer 2

Step-by-step explanation:

factorise by grouping method : a^2 +b-ab-a

solve this question please