Question

factrise a2+b-ab-a ​

Answer 1

Answer:

${a}^{2} - a + b - ab$

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

$(a - 1)(a - b)$

Answer 2

Step-by-step explanation:

2a+b-ab-a

2a-a+b-ab

2a-a-ab+b

a(2-1-b)+b

(a+b)(2-1-b)

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