Adding and Subtracting Like terms - Worksheet

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Chapter 10 Class 7 Algebraic Expressions
Serial order wise

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


Transcript

Question 3 Subtract: (vi) – x2 + 10x – 5 from 5x – 10 (5x − 10) − (−x2 + 10x − 5) = 5x − 10 + x2 − 10x + 5 = x2 + 5x − 10x + 5 − 10 = x2 + x (5 − 10) + (5 − 10) = x2 + x (−5) + (−5) = x2 − 5x − 5

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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 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.