Example 9 - Multiply (i) (a + 7) and (b - 5) (ii) (a^2 + 2b^2) and


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


Example 9 Multiply (i) (π‘Ž+7) and (π‘βˆ’5) (π‘Ž+7)Γ—(π‘βˆ’5) = π‘Ž(π‘βˆ’5)+7(π‘βˆ’5) = (π‘ŽΓ—π‘)βˆ’(π‘ŽΓ—5)+(7×𝑏)βˆ’(7Γ—5) = π’‚π’ƒβˆ’πŸ“π’‚+πŸ•π’ƒβˆ’πŸ‘π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.