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Ex 9.4, 1 (ii) - Chapter 9 Class 8 Algebraic Expressions and Identities
Last updated at March 23, 2023 by Teachoo
Ex 9.4
Ex 9.4, 1 (i)
Ex 9.4, 1 (ii) You are here
Ex 9.4, 1 (iii) Important
Ex 9.4, 1 (iv)
Ex 9.4, 1 (v) Important
Ex 9.4, 1 (vi) Important
Ex 9.4, 2 (i)
Ex 9.4, 2 (ii) Important
Ex 9.4, 2 (iii)
Ex 9.4, 2 (iv) Important
Ex 9.4, 3 (i)
Ex 9.4, 3 (ii)
Ex 9.4, 3 (iii) Important
Ex 9.4, 3 (iv)
Ex 9.4, 3 (v) Important
Ex 9.4, 3 (vi)
Ex 9.4, 3 (vii) Important
Ex 9.4, 3 (viii)
Transcript
Ex 9.4, 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
