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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 39
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 39
Factorization of Polynomials | Factorization of Polynomials Exercise 3C
Question 39
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
7𝑥^2 + 2√14𝑥 + 2
7𝑥^2 + 2√14𝑥 + 2
We can further write it as
= 7𝑥^2 + √2√7𝑥 + √2√7𝑥 + 2
By taking out the common terms
= √7𝑥(√7𝑥 + √2) + √2(√7𝑥 + √2)
So we get,
= (√7𝑥 + √2)(√7𝑥 + √2)
It can also be written as
= (√7𝑥 + √2)^2
Question 39
7𝑥^2 + 2√14𝑥 + 2
7𝑥^2 + 2√14𝑥 + 2
We can further write it as
= 7𝑥^2 + √2√7𝑥 + √2√7𝑥 + 2
By taking out the common terms
= √7𝑥(√7𝑥 + √2) + √2(√7𝑥 + √2)
So we get,
= (√7𝑥 + √2)(√7𝑥 + √2)
It can also be written as
= (√7𝑥 + √2)^2
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