Algebra II Factoring Problems

Factor each quadratic equation completely. Remember to factor out the GCF first, if you can!!!
1. x^2 - 24x + 144
2. x^2 - 20x + 100
3. 64x^2 + 16x + 1
4. x^2 - 49
5. x^2 + 6x - 55
6. 9x^2 - 49
7. 81x^2 - 1
8. 9x^2 + 24x + 16
9. x^2 - 64
10. x^2 - 5x - 84
11. 49x^2 - 168x + 144
12. 25x^2 - 60x + 36
13. x^2 - x - 110
14. x^2 - 16
15. 25x^2 - 36
16. x^2 - 14x + 24
17. 49x^2 - 144
18. x^2 + 7x + 10
19. x^2 - 18x + 81
20. 25x^2 - 120x + 144
21. 49x^2 - 1
22. 25x^2 - 144
23. x^2 + 2x + 1
24. x^2 - 14x + 33
25. x^2 - 81
26. x^2 - 23x + 132
27. x^2 - 144
28. 81x^2 - 100
29. x^2 - 8x + 7
30. 36x^2 + 60x + 25
31. Write each step for factoring a trinomial with a = 1. How is this different from
factoring a trinomial with a ≠ 1?
32. Write each step for factoring a trinomial with a ≠ 1. What did we call this method?