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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 49
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 49
Factorization of Polynomials | Factorization of Polynomials Exercise 3C
Question 49
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 49
9𝑥^2 − 3𝑥 − 20
9𝑥^2 − 3𝑥 − 20
We can further write it as
= 9𝑥^2 − 15𝑥 + 12𝑥 − 20
By taking out the common terms
= 3x (3x – 5) + 4 (3x – 5)
So we get,
= (3x + 4) (3x – 5)
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