Example 8 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 2

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

Transcript

Example 8 Multiply (ii) (๐‘ฅ โ€“ ๐‘ฆ) and (3๐‘ฅ +5๐‘ฆ) (๐‘ฅโˆ’๐‘ฆ)ร—(3๐‘ฅ+5๐‘ฆ) = ๐‘ฅ(3๐‘ฅ+5๐‘ฆ)โˆ’๐‘ฆ(3๐‘ฅ+5๐‘ฆ) = (๐‘ฅร—3๐‘ฅ)+(๐‘ฅร—5๐‘ฆ)โˆ’(๐‘ฆร—3๐‘ฅ)โˆ’(๐‘ฆร—5๐‘ฆ) = 3๐‘ฅ^2+5๐‘ฅ๐‘ฆโˆ’3๐‘ฆ๐‘ฅโˆ’5๐‘ฆ^2 = 3๐‘ฅ^2+5๐‘ฅ๐‘ฆโˆ’3๐‘ฅ๐‘ฆโˆ’5๐‘ฆ^2 = ๐Ÿ‘๐’™^๐Ÿ+๐Ÿ๐’™๐’šโˆ’๐Ÿ“๐’š^๐Ÿ

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.