Ex 12.2, 3 (viii) - Chapter 12 Class 8 Factorisation

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Ex 12.2, 3 Factorise the expressions. (viii) 10ab + 4a + 5b + 210ab + 4a + 5b + 2 = (10ab + 4a) + (5b + 2) = 2a (5b + 2) + 1 (5b + 2) Taking (5b + 2) as common, = (5b + 2) (2a + 1) Both have 2 and a as common factors Since nothing is common, we take 1 common

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