Answer Key 7.1

  1. [latex]9+8b^2[/latex]
  2. [latex]x-5[/latex]
  3. [latex]5(9x^2-5)[/latex]
  4. [latex]1+2n^2[/latex]
  5. [latex]7(8-5p)[/latex]
  6. [latex]10(5x-8y)[/latex]
  7. [latex]7ab(1-5a)[/latex]
  8. [latex]9x^2y^2(3y^3-8x)[/latex]
  9. [latex]3a^2b(-1+2ab)[/latex]
  10. [latex]4x^3(2y^2+1)[/latex]
  11. [latex]5x^2(-1-x-3x^2)\text{ or }-5x^2(1+x+3x^2)[/latex]
  12. [latex]8n^5(-4n^4+4n+5)[/latex]
  13. [latex]4(7m^4+10m^3+2)[/latex]
  14. [latex]2x(-5x^3+10x+6)[/latex]
  15. [latex]5(6b^9+ab-3a^2)[/latex]
  16. [latex]3y^2(9y^5+4x+3)[/latex]
  17. [latex]-8a^2b(6b+7a+7a^3)[/latex]
  18. [latex]5(6m^6+3mn^2-5)[/latex]
  19. [latex]5x^3y^2z(4x^5z+3x^2+7y)[/latex]
  20. [latex]3(p+4q-5q^2r^2)[/latex]
  21. [latex]3(-6n^5+n^3-7n+1)[/latex]
  22. [latex]3a^2(10a^6+2a^3+9a+7)[/latex]
  23. [latex]-10x^{11}(4+2x-5x^2+5x^3)[/latex]
  24. [latex]4x^2(-6x^4-x^2+3x+1)[/latex]
  25. [latex]4mn(-8n^7+m^5+3n^3+4)[/latex]
  26. [latex]2y^7(-5+3y^3-2y^3x-4yx)[/latex]

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Intermediate Algebra (Convert to MathJax) Copyright © 2020 by Terrance Berg is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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