Section 12.1

Write each number as product of prime numbers.

1.  36 
2.  180

Find the greatest common factor for the two given numbers. 
3.  20, 24 
4.  120, 96
Answers

Find the greatest common factor for the given set of terms.
5. 

6. 

7. 

8.

Answers 5-8
Factor the following:

9.
3x - 12
10.

11.

12.

13.
6x - 5y                                Answers 9-13
14.

15.

16.

17.
Answers 14-20
18.
5x(2x - 1) - 7(2x - 1)
19.
4x(3x + 5) +1(3x + 5)
20.
4x(3x + 5) + 3x + 5
21. 

22. 

23.

24.                                                   Answers 21-30

25.

26.

27.

28.

29.

30.