Factorise : xy - ay - ax + a^2 + bx - ab

+1 vote

asked Mar 21, 2019 by kratos

Factorise : xy - ay - ax + a2 + bx - ab

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+1 vote

answered Oct 6, 2020 by kratos

Best answer

xy - ay - ax + a2 + bx - ab

y(x-a) - a(x-a) + b(x-a)

= (x-a) (y-a+b)

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