Ex 8.4, 1 (ii) - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at April 18, 2024 by Teachoo
Multiplication of Polynoimals by Polynomials
Multiplying Binomial by a Binomial
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Chapter 8 Class 8 Algebraic Expressions and Identities
Concept wise
- Basic Definitions
- Addition and Subtraction of Algebraic Expressions
- Multiplication of Monomials
- Multiplication of Monomials by Binomials and Trinomials
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Multiplication of Polynoimals by Polynomials
- Algebra Identities - Identity I
- Algebra Identities - Identity II
- Algebra Identities - Identity III
- Algebra Identities - Identity IV
Transcript
Ex 8.4, 1 Multiply the binomials. (ii) (𝑦 – 8) and (3𝑦 – 4) (𝑦−8)(3𝑦−4) = 𝑦(3𝑦−4)−8(3𝑦−4) = (𝒚 × 𝟑𝒚)−(𝒚 × 𝟒)−(𝟖 × 𝟑𝒚)+(𝟖 × 𝟒) = 3𝑦^2−4𝑦+24𝑦−32 = 𝟑𝒚^𝟐−𝟐𝟖𝒚+𝟑𝟐
