Example 9 (i) - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at December 16, 2024 by

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

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Transcript

Example 9 Multiply (i) (š‘Ž+7) and (š‘āˆ’5) (š‘Ž+7)Ɨ(š‘āˆ’5) = š‘Ž(š‘āˆ’5)+7(š‘āˆ’5) = (š‘ŽĆ—š‘)āˆ’(š‘ŽĆ—5)+(7Ɨš‘)āˆ’(7Ɨ5) = š’‚š’ƒāˆ’šŸ“š’‚+šŸ•š’ƒāˆ’šŸ‘šŸ“

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