Ex 8.1, 2 (a) Subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3We have to subtract 1st expression from the 2nd expression. So, we write 2nd expression first. Putting like terms below like terms

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Davneet Singh

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.

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