Algebraic Expressions and Identities Exercise 9.3
NCERT solutions for Class 8 Maths Algebraic Expressions and Identities
NCERT Solutions for Class 8 Maths Algebraic Expressions and Identities
Class –VIII Mathematics (Ex. 9.3)
NCERT SOLUTION
1. Carry out the multiplication of the expressions in each of the following pairs:
(i) 
(ii) 
(iii) 
(iv) 
(v) 
Ans.
(i)
= 
(ii)
= 
(iii)
= 
(iv)
= 
(v)
= 
= 0 + 0 + 0 = 0
NCERT Solutions for Class 8 Maths Exercise 9.3
2. Complete the table:
| First expression | Second expression | Product | |
| (i) |  |  | ….. |
| (ii) |  |  | ….. |
| (iii) |  |  | ….. |
| (iv) |  |  | ….. |
| (v) |  |  | ….. |
Ans.
| First expression | Second expression | Product | |
| (i) | | |  = = |
| (ii) | | |  = = |
| (iii) | | |  = = |
| (iv) | | |  = = |
| (v) | | |  = = |
NCERT Solutions for Class 8 Maths Exercise 9.3
3. Find the product:
(i) 
(ii) 
(iii) 
(iv) 
Ans.
(i)
= 
(ii)
= 
= 
(iii)
= 
= 
(iv) 
=
NCERT Solutions for Class 8 Maths Exercise 9.3
4. (a) Simplify: 
and find values for
(i) 
(ii) 
(b) Simplify:
and find its value for
(i) 
(ii) 
(iii) 
Ans. (a)
= 
(i) For 
= 
= 108 – 45 + 3 = 66
(ii) For 
= 
= 
= 
(b)
= 
(i) For 
= 
= 0 + 0 + 0 + 5 = 5
(ii) For 
= 
= 1 + 1 + 1 + 5 = 8
(iii) For 
= 
= 
= 
=4
NCERT Solutions for Class 8 Maths Exercise 9.3
5. (a) Add: 
and 
(b) Add:
and 
(c) Subtract:
from 
(d) Subtract:
from 
Ans.
(a)
= 
= 
(b)
= 
= 
= 
(c)
= 
= 
= 
(d)
= 
= 
= 
= 
= 
= 