5.1 Factorise Common Factor

Kutchum Secondary School  Additional Mathematics Mathematics M.2 Unit 1 Factorisation of polynomial

Name

Exercise 1.1

Class

Factorise by common factor

No.

By...Mr.Praiwan Duangta

Factorise each of the following where possible. 1.

24 x  16

2.

2ab  4 abc

3.

abc  a 2 bc3

4.

2 x  kx

5.

3ax  6ay

6.

4ap  4bp

7.

2a b c  8 ab c

3

8.

3 x

9.



5

10.

2

3

2

2

7a b

3



63ab

2



2

2

21x

3

5a x  3a x

2



Factorise each of the following. 1.

3.

 x 2  xy  3 yz  3 xz

 x

3



x

2



3x  3

2

6a x

2.

 x 2 z  4 y  x2 y  4 z

4.

3 xy  6 y  5 x 10

2

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2

3bc  ab  3ac

5.

a

7.

3ax  6kx  4ky  2 ay

9.

12 x



3



2

27 x  27 y 12 x y

2

6.

2c

8.

ld  lt  dt  t 2 



2

mc  10 pc  5 pm

10.

4m

4ax  8kx  12 ky  6 ay



4mn  xm xm  xn xn

11.

 xy  xz  2 hy  2 hz

12.

13.

a ( b  c)  b c  a 2

14.

 x 2 z  4 y  x 2 y  4 z

15.

10 x

16.

a (b  c )  b c  a 2

2



3 yz  5 xy  6 xz