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RS Aggarwal Solutions Class 9 Mathematics Solutions for Factorization of Polynomials Exercise 3B in Chapter 3 - Factorization of Polynomials

Question 24 Factorization of Polynomials Exercise 3B

𝑎 − 𝑏 − 𝑎^2 + 𝑏^2

Answer:

𝑎 − 𝑏 − 𝑎^2 + 𝑏^2

We can write it as

= (𝑎 − 𝑏) − (𝑎^2 − 𝑏^2)

Based on the equation 𝑎^2 − 𝑏^2 = (𝑎 + 𝑏)(𝑎 − 𝑏)

We get,

= (a – b) – (a + b) (a – b)

By taking (a – b) as common

= (a – b) (1 – a – b)

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