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Ex 9.4, 2 (i) - 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)
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) You are here
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, 2 Find the product. (i) (5 – 2x) (3 + x) (5−2𝑥) (3+𝑥) = 5(3+𝑥)−2𝑥(3+𝑥) = (5×3)+(5×𝑥)−(2𝑥×3)−(2𝑥×𝑥) = 15+5𝑥−6𝑥−2𝑥^2 = 𝟏𝟓−𝒙−𝟐𝒙^𝟐
