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

Transcript

Ex 9.4, 3 Simplify. (ii) (๐‘Ž^2+5) (๐‘^3+3)+5 Here, there are 2 expressions: 1st expression = (๐‘Ž^2+5) (๐‘^3+3) 2nd expression = 5 Solving 1st expression (๐‘Ž^2+5) (๐‘^3+3) = ๐‘Ž^2 (๐‘^3+3)+5(๐‘^3+3) = (๐‘Ž^2ร—๐‘^3 )+(๐‘Ž^2ร—3)+(5ร—๐‘^3 )+(5ร—3) = ๐‘Ž^2 ๐‘^3+3๐‘Ž^2+5๐‘^3+15 Now, our expression is (๐‘Ž^2+5) (๐‘^3+3)+5 = ๐‘Ž^2 ๐‘^3+3๐‘Ž^2+5๐‘^3+15+5 = ๐’‚^๐Ÿ ๐’ƒ^๐Ÿ‘+๐Ÿ‘๐’‚^๐Ÿ+๐Ÿ“๐’ƒ^๐Ÿ‘+๐Ÿ๐ŸŽ

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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.