Question

1. (1 + b)3 = 2. (a2 + 4) (a2 − 4 ) = 3. (3ab – 5x2)2 = 4. (a3 + 12) (a3 − 15) = 5. (n + 3) (n +5) = 6. (x – 1) 2 = 7. (m – 3) (m + 3) = 8. (m2 – 3)3 = 9. (m – 8) (m + 12) = 10. (a + b) (a – b) (a2 − b2) = 11. (x + 5)2 = 12. (4m + 9)2 = 13. (a – 3)2 = 14. (x – 7)2 = 15. (2m + 9) (2m – 9) = 16. (6xy + 10) (6xy – 10) = 17. (3b – 1) (3b + 1) = 18. (2y + 5z) (2y – 5z) = 19. (x + 5)3 = 20. (a – 4)3 = 21. (x + 5) (x + 2) = 22. (a – 3) (a + 15) = 23. (4m + 9) (4m + 1) = 24. (x – 7) (x – 3) = 25. (n – 19) (n + 10) =

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