Example 3 - Factorise 6xy - 4y + 6 - 9x - Chapter 14 Class 9 - Teachoo

 

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Example 3 Factorise 6xy – 4y + 6 – 9x. 6xy – 4y + 6 – 9x = (6xy − 4y) + (6 − 9x) Both have y & 2 in common Both have 3 in common = 2y (3x − 2) + 3 (2 − 3x) Since 2 − 3x = − (3x − 2) = 2y (3 x − 2) + 3 × −(3x − 2) = 2y (3 x − 2) − 3 (3x − 2) Taking 3x − 2 common = (3x − 2) (2y − 3)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.