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Ex 14.1, 3 (iii) - Factorise ax + bx - ay - by - Ex 14.1

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Ex 14.1, 3 Factorise. (iii) ax + bx – ay – by a𝑥 + b𝑥 – ay – by = (a𝑥 + b𝑥) − (ay + by) Both have x as common factor Both have y as common factor = 𝑥 (a + b) − y (a + b) Taking (a + b) common = (a + b) (x − y)

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