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Factoring the Difference of Two Squares (20 problems)

Factor each binomial completely.

General Questions


1. 





9a² - 16
2. 





81 - 25m²
3. 





36a² - 121b²
4. 





49 - 256s²
5. 





100a6 - 169b6
6. 





256s² - 121t²
7. 





4x6 - y6
8. 





144 - 225m²
9. 





a² - b²
10. 





n4 - 1
11. 





16r² - 36s²
12. 





c8 - 16
13. 





81b4 - 16
14. 





144x² - 36y²
15. 





100 - 196m²
16. 





400m4 - 100n4
17. 





25x² - 225
18. 





144x² - 36y²
19. 





100a² - 225b²
20. 








C Gulliksen

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