RD Sharma Solutions for Class 8 Math Chapter 7 - Factorization (Part-3) Class 8 Notes | EduRev

RD Sharma Solutions for Class 8 Mathematics

Created by: Abhishek Kapoor

Class 8 : RD Sharma Solutions for Class 8 Math Chapter 7 - Factorization (Part-3) Class 8 Notes | EduRev

The document RD Sharma Solutions for Class 8 Math Chapter 7 - Factorization (Part-3) Class 8 Notes | EduRev is a part of the Class 8 Course RD Sharma Solutions for Class 8 Mathematics.
All you need of Class 8 at this link: Class 8

Question 1: Factorize each of the following algebraic expressions:
6x(2xy) + 7y(2xy)
Answer 1: 6x(2xy)+7y(2xy) 

= (6x+7y)(2xy)         [Taking (2xy) as the common factor] 
Question 2:Factorize each of the following algebraic expressions:
2r(y − x) + s(x − y) 
Answer 2: 
2r(yx)+s(xy)
=2r(yx)s(yx)      [(xy)=(yx)] 
=(2rs)(yx)              [Taking (yx) as the common factor] 

Question 3: Factorize each of the following algebraic expressions:
7a(2x − 3) + 3b(2x − 3) 
Answer 3:
7a(2x3)+3b(2x3) 
=(7a+3b)(2x3)            [Taking (2x3) as the common factor]
Question 4: Factorize each of the following algebraic expressions:
9a(6a − 5b) −12a2(6a − 5b)
Answer 4:
9a(6a5b)12a2(6a5b) 
=(9a12a2)(6a5b)     [Taking (6a5b) as the common factor] 
=3a(34a)(6a5b)       [Taking 3a as the common factor of the quadratic (9a12a2)

Question 5: Factorize each of the following algebraic expressions:
5(x − 2y)2 + 3(x − 2y) 
Answer 5:
5(x2y)2+3(x2y)
=[5(x2y)+3](x2y)     [Taking (x2y) as the common factor] (5x10y+3)(x2y)

Question 6: Factorize each of the following algebraic expressions: 
16(2l − 3m)2 −12(3m − 2l) 
Answer 6: 16(2l3m)212(3m2l) 

=16(2l3m)