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Rs aggarwal solutions
Grade 9 
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 20
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 20
Factorization of Polynomials | Factorization of Polynomials Exercise 3C
Question 20
CHAPTERS
3. Factorization of Polynomials
4. Linear Equations In Two Variables
6. Introduction To Euclids Geometry
9. Congruence Of Triangles And Inequalities In A Triangle
11. Areas Of Parallelograms And Triangles
14. Areas Of Triangles And Quadrilaterals
15. Volume And Surface Area Of Solids
Question 20
40 + 3𝑥 − 𝑥^2
40 + 3𝑥 − 𝑥^2
We can further write it as
= 40 + 8𝑥 − 5𝑥 − 𝑥^2
By taking out the common terms
= 8 (5 + x) – x (5 + x)
So we get,
= (8 – x) (5 + x)
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