II. Factor completely each sum and difference of two cubes. 18. 0.008f6+ g³h⁹ 19. 4b +32b² 20. 7c-875c6 21. 0.027j³-0.216k 22. bo-81c6 23. 8h6-27j⁹ 24. f3m - gon 25. k4-8k³-k+8 10. m³ - 64 11. 27+8p³ 12. 125+8q³ 13. t³ + 125s³ 14. (u³-8)(u³ + 8) 15. 343v³+27w6 16. 8a³+ (a+b)³ 17. 27(c+d)³ - e³ 23 5 26. § - 51³m6 8 27. b4-b³-b+1 28. (a + b)³-c³ 29. t6a-(t2a - 1)³ 30. (c+d)³ (c - d)³ 31. 7p³ +7 32. 250r³s³ - 16t³ 33. 128u³ - 250v³