Ex 8.4, 1 (iv) - Chapter 8 Class 8 Algebraic Expressions and Identities

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Ex 8.4, 1 Multiply the binomials. (iv) (𝑎 + 3𝑏) and (𝑥 + 5) (𝑎+3𝑏)(𝑥+5) = 𝑎(𝑥+5)+3𝑏(𝑥+5) = (𝑎 × 𝑥)+(𝑎 × 5)+(3𝑏 × 𝑥)+(3𝑏 × 5) = 𝒂𝒙+𝟓𝒂+𝟑𝒃𝒙+𝟏𝟓𝒃

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