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

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Ex 12.2, 3 Factorise the expressions. (ix) 6xy – 4y + 6 – 9x6xy – 4y + 6 – 9x = (6𝑥y – 4y) + (6 – 9x) = 2y (3x – 2) + 3 (2 – 3x) = 2y (3𝑥 – 2) + 3 × −1 (3𝑥 – 2) = 2y (3𝑥 – 2) – 3 (3𝑥 – 2) Taking (3𝑥 − 2) as common, = (3𝑥 − 2) (2y − 3) Both have 2 and y as common factors Both have 3 as common factor

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo