Our top 5% students will be awarded a special scholarship to Lido.
Rs aggarwal solutions
Grade 9 
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 7
Mathematics
Secondary school Mathematics class 9 Rs Aggarwal
Factorization of Polynomials
Factorization of Polynomials Exercise 3C
Question 7
Factorization of Polynomials | Factorization of Polynomials Exercise 3C
Question 7
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 7
𝑥^2 − 21𝑥 + 90
𝑥^2 − 21𝑥 + 90
We can further write it as
= 𝑥^2 − 6𝑥 − 15𝑥 + 90
By taking out the common terms
= x (x – 6) – 15 (x – 6)
So we get,
= (x – 15) (x – 6)
Lido
Courses
Quick Links
Terms & Policies
Terms & Policies
Connect with us on social media!
2021 © Quality Tutorials Pvt Ltd All rights reserved