Question 2 (v) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at August 14, 2026 by

Ex 9.5, 2 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 5

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Question 2 Use the identity (𝑥+𝑎)(𝑥+𝑏)=𝑥^2+(𝑎+𝑏)𝑥+𝑎𝑏 to find the following products. (v) (2𝑥+5𝑦)(2𝑥+3𝑦) (2𝑥+5𝑦)(2𝑥+3𝑦) (𝑡+𝑎)(𝑡+𝑏)=𝑡^2+(𝑎+𝑏)𝑡+𝑎𝑏 Putting 𝑡 = 2𝑥 , 𝑎 = 5𝑦 & 𝑏 = 3𝑦 (𝑡+𝑎)(𝑡+𝑏)=𝑡^2+(𝑎+𝑏)𝑡+𝑎𝑏 Putting 𝑡 = 2𝑥 , 𝑎 = 5𝑦 & 𝑏 = 3𝑦 (As 𝑦𝑥=𝑥𝑦)

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