Factorise the following: a 2 b - ab 2 + 3a - 3b

a 2 b - ab 2 + 3a - 3b = ab(a - b) + 3(a - b) = (ab + 3)(a - b). Hence, a 2 b - ab 2 + 3a - 3b = (ab + 3)(a - b).

Mathematics

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a²b - ab² + 3a - 3b

= ab(a - b) + 3(a - b)

= (ab + 3)(a - b).

Hence, a²b - ab² + 3a - 3b = (ab + 3)(a - b).

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