Q. 73.9( 7 Votes )

Factorize:

x2 + 13x + 40

Answer :

Given,


x2 + 13x + 40


Now first find the numbers whose-


Sum = 13 and


Product = 40


Required numbers are 8 and 5,


So we get;


x2 + 13x + 40


= x2 + 8x + 5x + 40


= x(x + 8) + 5(x + 8)


= (x + 8)(x + 5)


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Algebraic Identities - Mark your Weak AreasAlgebraic Identities - Mark your Weak AreasAlgebraic Identities - Mark your Weak Areas41 mins
Quiz | Important Questions on FactorisationQuiz | Important Questions on FactorisationQuiz | Important Questions on Factorisation35 mins
Quiz | Questions on FactorizationQuiz | Questions on FactorizationQuiz | Questions on Factorization41 mins
Champ Quiz | Division of PolynomialsChamp Quiz | Division of PolynomialsChamp Quiz | Division of Polynomials33 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

ab - a - b + 1 = ?

RS Aggarwal - Mathematics

Factorize:

x2 + x – 132

RS Aggarwal - Mathematics

2x2 + 5x + 3=?

RS Aggarwal - Mathematics

Factorize:

3m2 + 24m + 36

RS Aggarwal - Mathematics