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

Last updated at August 10, 2026 by

Ex 9.5, 2 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 6

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Question 2 Use the identity (š‘„+š‘Ž)(š‘„+š‘)=š‘„^2+(š‘Ž+š‘)š‘„+š‘Žš‘ to find the following products. (vi) (2š‘Ž^2+9) (2š‘Ž^2+5) (2š‘Ž^2+9) (2š‘Ž^2+5) (š‘„+š‘Ž)(š‘„+š‘)=š‘„^2+(š‘Ž+š‘)š‘„+š‘Žš‘ Putting š‘„ = 2š‘Ž^2 , š‘Ž = 9 & š‘ = 5 = (2š‘Ž^2 )^2+(9+5)(2š‘Ž^2 )+(9)(5) = (2^2Ɨš‘Ž^(2 Ɨ 2) )+(14Ɨ2) š‘Ž^2+45 = šŸ’š’‚^šŸ’+šŸšŸ–š’‚^šŸ+šŸ’šŸ“

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