Answer Key 1.4

  1. [latex]r+1[/latex]
  2. [latex]-4x-2[/latex]
  3. [latex]2n[/latex]
  4. [latex]11b+7[/latex]
  5. [latex]15v[/latex]
  6. [latex]7x[/latex]
  7. [latex]-9x[/latex]
  8. [latex]-7a-1[/latex]
  9. [latex]k+5[/latex]
  10. [latex]-3p[/latex]
  11. [latex]-5x-9[/latex]
  12. [latex]-10n-9[/latex]
  13. [latex]-m[/latex]
  14. [latex]-r-5[/latex]
  15. [latex]-8x+32[/latex]
  16. [latex]24r+27[/latex]
  17. [latex]8n^2+72n[/latex]
  18. [latex]-9a+5[/latex]
  19. [latex]-7k^2+42k[/latex]
  20. [latex]20x^2+10x[/latex]
  21. [latex]-36x-6[/latex]
  22. [latex]-2n-2[/latex]
  23. [latex]-8m^2+40m[/latex]
  24. [latex]-18p^2+2p[/latex]
  25. [latex]9x^2-36x[/latex]
  26. [latex]32n-8[/latex]
  27. [latex]-9b^2+90b[/latex]
  28. [latex]-28r-4[/latex]
  29. [latex]9b+90+5b[/latex]
    [latex]14b+90[/latex]
  30. [latex]4v-7+56v[/latex]
    [latex]60v-7[/latex]
  31. [latex]-3x+12x^2-4x^2[/latex]
    [latex]8x^2-3x[/latex]
  32. [latex]-8x-81x+81[/latex]
    [latex]-89x+81[/latex]
  33. [latex]-4k^2-64k^2-8k[/latex]
    [latex]-68k^2-8k[/latex]
  34. [latex]-9-10-90a[/latex]
    [latex]-90a-19[/latex]
  35. [latex]1-35-49p[/latex]
    [latex]-49p-34[/latex]
  36. [latex]-10x+20-3[/latex]
    [latex]-10x+17[/latex]
  37. [latex]-10-4n+20[/latex]
    [latex]-4n+10[/latex]
  38. [latex]-30+6m+3m[/latex]
    [latex]9m-30[/latex]
  39. [latex]4x+28+8x+32[/latex]
    [latex]12x+60[/latex]
  40. [latex]-2r-8r^2-8r^2+32r[/latex]
    [latex]-16r^2+30r[/latex]
  41. [latex]-8n-48-8n^2-64n[/latex]
    [latex]-8n^2-72n-48[/latex]
  42. [latex]54b+45-4b^2-12b[/latex]
    [latex]-4b^2+42b+45[/latex]
  43. [latex]49+21v+30-100v[/latex]
    [latex]-79v+79[/latex]
  44. [latex]-28x+42+20x-20[/latex]
    [latex]-8x+22[/latex]
  45. [latex]-20n^2+10n-42+70n[/latex]
    [latex]-20n^2+80n-42[/latex]
  46. [latex]-12-3a+54a^2+60a[/latex]
    [latex]54a^2+57a-12[/latex]
  47. [latex]5-30k+10k-80[/latex]
    [latex]-20k-75[/latex]
  48. [latex]-28x-21-100x-100[/latex]
    [latex]-128x-121[/latex]
  49. [latex]8n^2-3n-5-4n^2[/latex]
    [latex]4n^2-3n-5[/latex]
  50. [latex]7x^2-3-5x^2-6x[/latex]
    [latex]2x^2-6x-3[/latex]
  51. [latex]5p-6+1-p[/latex]
    [latex]4p-5[/latex]
  52. [latex]3x^2-x-7+8x[/latex]
    [latex]3x^2+7x-7[/latex]
  53. [latex]2-4v^2+3v^2+2v[/latex]
    [latex]-v^2+2v+2[/latex]
  54. [latex]2b-8+b-7b^2[/latex]
    [latex]-7b^2+3b-8[/latex]
  55. [latex]4-2k^2+8-2k^2[/latex]
    [latex]-4k^2+12[/latex]
  56. [latex]7a^2+7a-6a^2-4a[/latex]
    [latex]a^2+3a[/latex]
  57. [latex]x^2-8+2x^2-7[/latex]
    [latex]3x^2-15[/latex]
  58. [latex]3-7n^2+6n^2+3[/latex]
    [latex]-n^2+6[/latex]

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