Expanding Three Brackets

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Across
  1. 3. (x-1)(x-1)(x+2)
  2. 5. (x-2)(x-3)(x-1)
  3. 9. coefficient of x in (x+2)(x+3)(x+2)
  4. 11. coefficient of x in (x-3)(x+1)(x+4)
  5. 12. Constant term in (x-3)(x+3)(x+3)
  6. 14. (x+4)(x+2)(x-3)
  7. 17. coefficient of x in (x-3)(x-1)(x+4)
  8. 18. coefficient of x in (x+3)(x+4)(x-3)
  9. 19. coefficient of x2 in (x+1)(x+3)(x+4)
  10. 22. coefficient of x in (x-1)(x+4)(x+3)
  11. 23. (x+4)(x+1)(x+1)
  12. 25. (x+2)(x-3)(x+2)
Down
  1. 1. Constant term in (x-1)(x-3)(x+4)
  2. 2. (x+2)(x+2)(x+3)
  3. 3. (x-3)(x-1)(x+2)
  4. 4. coefficient of x in (x+4)(x+1)(x-2)
  5. 6. coefficient of x2 in (x+2)(x+4)(x+4)
  6. 7. coefficient of x2 in (x-3)(x+2)(x-3)
  7. 8. coefficient of x in (x-1)(x-2)(x+1)
  8. 10. (x-1)(x+2)(x+1)
  9. 13. coefficient of x in (x+2)(x-1)(x+4)
  10. 15. coefficient of x in (x+1)(x-3)(x+4)
  11. 16. coefficient of x in (x+1)(x+3)(x+2)
  12. 20. coefficient of x2 in (x-2)(x+3)(x+4)
  13. 21. coefficient of x in (x+1)(x+2)(x+2)
  14. 24. coefficient of x in (x+4)(x+1)(x+1)
  15. 26. coefficient of x2 in (x+4)(x-3)(x-3)