Class 9 Exam  >  Class 9 Notes  >  Extra Documents & Tests for Class 9  >  Factorization of Algebraic Expressions - Exercise 5.3

Factorization of Algebraic Expressions - Exercise 5.3 | Extra Documents & Tests for Class 9 PDF Download

Download, print and study this document offline
Please wait while the PDF view is loading
 Page 1


      
     
      
      
      
       
              
    
      
     
Question:60
Factorize:
64a
3
 + 125b
3
 + 240a
2
b + 300ab
2
 
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms,
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
Page 2


      
     
      
      
      
       
              
    
      
     
Question:60
Factorize:
64a
3
 + 125b
3
 + 240a
2
b + 300ab
2
 
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms,
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization of is .
Question:61
125x
3
 - 27y
3
 - 225x
2
y + 135xy
2
Solution:
The given expression to be factorized is 
This can be written in the form 
Take common from the last two terms,. Then we get 
This can be written in the following form
Recall the formula for the cube of the difference of two numbers 
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:62
8
27
x
3
+1 +
4
3
x
2
+2x
Solution:
The given expression to be factorized is
This can be written in the form
Take common from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:63
Page 3


      
     
      
      
      
       
              
    
      
     
Question:60
Factorize:
64a
3
 + 125b
3
 + 240a
2
b + 300ab
2
 
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms,
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization of is .
Question:61
125x
3
 - 27y
3
 - 225x
2
y + 135xy
2
Solution:
The given expression to be factorized is 
This can be written in the form 
Take common from the last two terms,. Then we get 
This can be written in the following form
Recall the formula for the cube of the difference of two numbers 
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:62
8
27
x
3
+1 +
4
3
x
2
+2x
Solution:
The given expression to be factorized is
This can be written in the form
Take common from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:63
8x
3
 + 27y
3
 + 36x
2
y + 54xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:64
a
3
 - 3a
2
b + 3ab
2
 - b
3
 + 8
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the third and fourth terms. Then we get
This can be written in the following form
Recall the formula for the cube of the difference of two numbers
Using the above formula, we have
This can be written in the following form
Recall the formula for the sum of two cubes
Using the above formula, we have
Page 4


      
     
      
      
      
       
              
    
      
     
Question:60
Factorize:
64a
3
 + 125b
3
 + 240a
2
b + 300ab
2
 
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms,
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization of is .
Question:61
125x
3
 - 27y
3
 - 225x
2
y + 135xy
2
Solution:
The given expression to be factorized is 
This can be written in the form 
Take common from the last two terms,. Then we get 
This can be written in the following form
Recall the formula for the cube of the difference of two numbers 
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:62
8
27
x
3
+1 +
4
3
x
2
+2x
Solution:
The given expression to be factorized is
This can be written in the form
Take common from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:63
8x
3
 + 27y
3
 + 36x
2
y + 54xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:64
a
3
 - 3a
2
b + 3ab
2
 - b
3
 + 8
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the third and fourth terms. Then we get
This can be written in the following form
Recall the formula for the cube of the difference of two numbers
Using the above formula, we have
This can be written in the following form
Recall the formula for the sum of two cubes
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:65
x
3
 + 8y
3
 + 6x
2
y + 12xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:66
8x
3
 + y
3
 + 12x
2
y + 6xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common 6xy from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:67
Page 5


      
     
      
      
      
       
              
    
      
     
Question:60
Factorize:
64a
3
 + 125b
3
 + 240a
2
b + 300ab
2
 
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms,
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization of is .
Question:61
125x
3
 - 27y
3
 - 225x
2
y + 135xy
2
Solution:
The given expression to be factorized is 
This can be written in the form 
Take common from the last two terms,. Then we get 
This can be written in the following form
Recall the formula for the cube of the difference of two numbers 
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:62
8
27
x
3
+1 +
4
3
x
2
+2x
Solution:
The given expression to be factorized is
This can be written in the form
Take common from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:63
8x
3
 + 27y
3
 + 36x
2
y + 54xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:64
a
3
 - 3a
2
b + 3ab
2
 - b
3
 + 8
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the third and fourth terms. Then we get
This can be written in the following form
Recall the formula for the cube of the difference of two numbers
Using the above formula, we have
This can be written in the following form
Recall the formula for the sum of two cubes
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:65
x
3
 + 8y
3
 + 6x
2
y + 12xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common from the last two terms. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:66
8x
3
 + y
3
 + 12x
2
y + 6xy
2
Solution:
The given expression to be factorized is 
This can be written in the form
Take common 6xy from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:67
8a
3 
+ 27b
3
 + 36a
2
b + 54ab
2
Solution:
The given expression to be factorized is
This can be written in the form
Take common from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the sum of two numbers
Using the above formula, we have 
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:68
8a
3
 - 27b
3
 - 36a
2
b + 54ab
2
Solution:
The given expression to be factorized is 
This can be written in the form 
Take common – 18ab from the last two terms,. Then we get 
This can be written in the following form
Recall the formula for the cube of the difference of two numbers
Using the above formula, we have 
We cannot further factorize the expression. 
So, the required factorization is of is .
Question:69
x
3
 - 12x(x - 4) - 64
Solution:
The given expression to be factorized is 
This can be written in the form
Take common – 12x from the last two terms,. Then we get
This can be written in the following form
Recall the formula for the cube of the difference of two numbers
Using the above formula, we have
We cannot further factorize the expression. 
Read More
1 videos|228 docs|21 tests

Top Courses for Class 9

1 videos|228 docs|21 tests
Download as PDF
Explore Courses for Class 9 exam

Top Courses for Class 9

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Sample Paper

,

Factorization of Algebraic Expressions - Exercise 5.3 | Extra Documents & Tests for Class 9

,

Exam

,

Previous Year Questions with Solutions

,

past year papers

,

Semester Notes

,

Factorization of Algebraic Expressions - Exercise 5.3 | Extra Documents & Tests for Class 9

,

ppt

,

pdf

,

Objective type Questions

,

practice quizzes

,

study material

,

mock tests for examination

,

shortcuts and tricks

,

Viva Questions

,

video lectures

,

Extra Questions

,

Free

,

MCQs

,

Important questions

,

Factorization of Algebraic Expressions - Exercise 5.3 | Extra Documents & Tests for Class 9

,

Summary

;