Factor out the greatest common factor

Find the largest number that divides both terms, then write it outside parentheses.

1. Factor out the greatest common factor: 2x − 2. Write it as g(ax + b).
2. Factor out the greatest common factor: 5x − 15. Write it as g(ax + b).
3. Factor out the greatest common factor: 15x − 25. Write it as g(ax + b).
4. Factor out the greatest common factor: 15x − 6. Write it as g(ax + b).
5. Factor out the greatest common factor: 63x + 35. Write it as g(ax + b).
6. Factor out the greatest common factor: 42x + 6. Write it as g(ax + b).
7. Factor out the greatest common factor: 49x + 28. Write it as g(ax + b).
8. Factor out the greatest common factor: 3x + 27. Write it as g(ax + b).
9. Factor out the greatest common factor: 4x − 32. Write it as g(ax + b).
10. Factor out the greatest common factor: 63x − 70. Write it as g(ax + b).
11. Factor out the greatest common factor: 36x − 48. Write it as g(ax + b).
12. Factor out the greatest common factor: 45x + 5. Write it as g(ax + b).
13. Factor out the greatest common factor: 90x − 48. Write it as g(ax + b).
14. Factor out the greatest common factor: 35x − 56. Write it as g(ax + b).
15. Factor out the greatest common factor: 70x − 60. Write it as g(ax + b).
16. Factor out the greatest common factor: 64x + 120. Write it as g(ax + b).
17. Factor out the greatest common factor: 96x − 42. Write it as g(ax + b).
18. Factor out the greatest common factor: 30x − 14. Write it as g(ax + b).
19. Factor out the greatest common factor: 216x − 60. Write it as g(ax + b).
20. Factor out the greatest common factor: 143x + 208. Write it as g(ax + b).