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  1. Chapter 9 Class 8 Algebraic Expressions and Identities
  2. Concept wise

Transcript

Ex 9.4, 3 Simplify. (viii) (๐‘Ž+๐‘+๐‘)(๐‘Ž+๐‘โˆ’๐‘) (๐‘Ž+๐‘+๐‘)(๐‘Ž+๐‘โˆ’๐‘) = ๐‘Ž(๐‘Ž+๐‘โˆ’๐‘)+๐‘(๐‘Ž+๐‘โˆ’๐‘)+๐‘(๐‘Ž+๐‘โˆ’๐‘) = (๐‘Žร—๐‘Ž)+(๐‘Žร—๐‘)โˆ’(๐‘Žร—๐‘)+(๐‘ร—๐‘Ž)+(๐‘ร—๐‘)โˆ’(๐‘ร—๐‘) + (๐‘ร—๐‘Ž)+(๐‘ร—๐‘)โˆ’(๐‘ร—๐‘) = ๐‘Ž^2+๐‘Ž๐‘โˆ’๐‘Ž๐‘+๐‘๐‘Ž+๐‘^2โˆ’๐‘๐‘+๐‘๐‘Ž+๐‘๐‘โˆ’๐‘^2 = ๐‘Ž^2+๐‘Ž๐‘โˆ’๐‘Ž๐‘+๐‘Ž๐‘+๐‘^2โˆ’๐‘๐‘+๐‘Ž๐‘+๐‘๐‘โˆ’๐‘^2 = ๐‘Ž^2+๐‘^2โˆ’๐‘^2+๐‘Ž๐‘+๐‘Ž๐‘โˆ’๐‘๐‘+๐‘๐‘โˆ’๐‘Ž๐‘+๐‘Ž๐‘ = ๐’‚^๐Ÿ+๐’ƒ^๐Ÿโˆ’๐’„^๐Ÿ+๐Ÿ๐’‚๐’ƒ

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.