Adding and Subtracting Like terms - Worksheet

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Chapter 10 Class 7 Algebraic Expressions
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Ex 12.2, 6 - Chapter 12 Class 7 Algebraic Expressions - Part 2

Ex 12.2, 6 - Chapter 12 Class 7 Algebraic Expressions - Part 3

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Transcript

Question 6 (b) From the sum of 4 + 3x and 5 – 4x + 2x2, subtract the sum of 3x2 – 5x and –x2 + 2x + 5. Sum of (4 + 3x) and (5 − 4x+ 2x2) is given by Sum of (3x2 − 5x) and (−x2 + 2x + 5) is given by Subtracting (2x2 − 3x + 5) from (9 − x + 2x2) Answer is 4 + 2x i.e. 2x + 4

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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.