Example 8 (ii) - Chapter 9 Class 8 Algebraic Expressions and Identities
Last updated at Sept. 8, 2021 by Teachoo
Transcript
Example 8 Multiply (ii) (๐ฅ โ ๐ฆ) and (3๐ฅ +5๐ฆ) (๐ฅโ๐ฆ)ร(3๐ฅ+5๐ฆ) = ๐ฅ(3๐ฅ+5๐ฆ)โ๐ฆ(3๐ฅ+5๐ฆ) = (๐ฅร3๐ฅ)+(๐ฅร5๐ฆ)โ(๐ฆร3๐ฅ)โ(๐ฆร5๐ฆ) = 3๐ฅ^2+5๐ฅ๐ฆโ3๐ฆ๐ฅโ5๐ฆ^2 = 3๐ฅ^2+5๐ฅ๐ฆโ3๐ฅ๐ฆโ5๐ฆ^2 = ๐๐^๐+๐๐๐โ๐๐^๐
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