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Answer Key 7.1

[latexpage]

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

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