Identitats notables

Factoritza cada expressió fent servir identitats notables.

  1. \(a^2 - 4\) =
  2. \(a^2 - 9\) =
  3. \(a^2 - 49\) =
  4. \(a^2 - 1\) =
  5. \(a^2 - 25\) =
  6. \(a^2 - 36\) =
  7. \(16 - x^2\) =
  8. \(64 - x^2\) =
  9. \(-x^2 + 100\) =
  10. \(4a^2 - 1\) =
  11. \(9a^2 - 4\) =
  12. \(64 - 81x^2\) =
  13. \(-25 + 36m^2\) =
  14. \(100n^2 - 121\) =
  15. \(49 - 144k^2\) =
  16. \(81 - 16x^2\) =
  17. \(49 - 64x^2\) =
  18. \(196x^2 + 169\) =
  19. \(x^2 - 36y^2\) =
  20. \(-9x^2 + 16a^2\) =
  21. \(225b^2 - 4y^2\) =
  22. \(x^2 - \tfrac{1}{4}\) =
  23. \(\tfrac{x^2}{9} - y^2\) =
  24. \(\tfrac{16x^2}{25} - z^2\) =
  25. \(\tfrac{4}{a^2} - b^2\) =
  26. \(x^2 - \tfrac{8}{18}\) =
  27. \(\tfrac{27a^2}{75} - b^2\) =
  28. \(x^4 - 9\) =
  29. \(25x^4 - 4y^2\) =
  30. \(49x^6 - y^8\) =
  31. \(x^2y^2 - 1\) =
  32. \(9a^2 b^6 - 25x^2\) =
  33. \(x^6 y^4 z^2 - 4a^2 b^8\) =
  1. \(2x^2 - 50\) =
  2. \(5x^2 - 20\) =
  3. \(3x^2 - 3\) =
  4. \(4a^2 - 36\) =
  5. \(72 - 2a^2\) =
  6. \(48 - 3a^2\) =
  7. \(18x^2 - 8\) =
  8. \(48x^2 - 75\) =
  9. \(-36 + 9x^2\) =
  10. \(a^3 - 9a\) =
  11. \(a^3 - a\) =
  12. \(36ab - a^3b\) =
  13. \(a^4 - 25a^2\) =
  14. \(9a^4 - a^6\) =
  15. \(x^2y^4 - 4x^6y^2\) =