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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 52
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 52
Factorization of Polynomials | Factorization of Polynomials Exercise 3C
Question 52
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
1/3𝑥^2 − 2𝑥 − 9
1/3𝑥^2 − 2𝑥 − 9
We can further write it as
=1/3𝑥^2 − 3𝑥 + 𝑥 − 9
By taking out the common terms
= 𝑥 (𝑥/3− 𝑥) + (𝑥 − 9)
=𝑥/3(𝑥 − 9) + (𝑥 − 9)
Taking (x – 9) as common
= (x – 9) (𝑥/3+ 1)
So we get,
= (x – 9) (𝑥+3/3)
=1/3(𝑥 − 9)(𝑥 + 3)
Question 52
1/3𝑥^2 − 2𝑥 − 9
1/3𝑥^2 − 2𝑥 − 9
We can further write it as
=1/3𝑥^2 − 3𝑥 + 𝑥 − 9
By taking out the common terms
= 𝑥 (𝑥/3− 𝑥) + (𝑥 − 9)
=𝑥/3(𝑥 − 9) + (𝑥 − 9)
Taking (x – 9) as common
= (x – 9) (𝑥/3+ 1)
So we get,
= (x – 9) (𝑥+3/3)
=1/3(𝑥 − 9)(𝑥 + 3)
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