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Example 16 - Chapter 2 Class 9 Polynomials - Part 2

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Example 16 Find the following products using appropriate identities: (ii) (x 3) (x + 5) (x 3) (x + 5) Using (x + a) (x + b) = x2 + (a + b)x + ab, putting a = 3, b = 5 = x2 + ( 3 + 5)x + ( 3)(5) = x2 + 2x 15

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.