Answer Key 7.2

  1. [latex]8r^2(5r-1)-5(5r-1)[/latex]
    [latex](5r-1)(8r^2-5)[/latex]
  2. [latex]5x^2(7x-2)-8(7x-2)[/latex]
    [latex](7x-2)(5x^2-8)[/latex]
  3. [latex]n^2(3n-2)-3(3n-2)[/latex]
    [latex](3n-2)(n^2-3)[/latex]
  4. [latex]2v^2(7r+5)-1(7r+5)[/latex]
    [latex](7v+5)(2v^2-1)[/latex]
  5. [latex]3b^2(5b+7)-7(5b+7)[/latex]
    [latex](5b+7)(3b^2-7)[/latex]
  6. [latex]6x^2(x-8)+5(x-8)[/latex]
    [latex](x-8)(6x^2+5)[/latex]
  7. [latex]7x^2(5x-4)-4(5x-4)[/latex]
    [latex](5x-4)(7x^2-4)[/latex]
  8. [latex]7n^2(n+3)-5(n+3)[/latex]
    [latex](n+3)(7n^2-5)[/latex]
  9. [latex]7x(y-7)+5(y-7)[/latex]
    [latex](y-7)(7x+5)[/latex]
  10. [latex]7r^2(6r-7)+3(6r-7)[/latex]
    [latex](6r-7)(7r^2+3)[/latex]
  11. [latex]8x(2y-7)+1(2y-7)[/latex]
    [latex](2y-7)(8x+1)[/latex]
  12. [latex]m(3n-8)+5(3n-8)[/latex]
    [latex](3n-8)(m+5)[/latex]
  13. [latex]2x(y-4x)+7y^2(y-4x)[/latex]
    [latex](y-4x)(2x+7y^2)[/latex]
  14. [latex]m(5n+2)-5(5n+2)[/latex]
    [latex](5n+2)(m-5)[/latex]
  15. [latex]5x(8y+7)-y(8y+7)[/latex]
    [latex](8y+7)(5x-y)[/latex]
  16. [latex]8x(y+7)-1(y+7)[/latex]
    [latex](y+7)(8x-1)[/latex]
  17. [latex]12y+10xy+30+25x[/latex]
    [latex]2y(6+5x)+5(6+5x)[/latex]
    [latex](6+5x)(2y+5)[/latex]
  18. [latex]24xy-20x+25y^2-30y^3[/latex]
    [latex]4x(6y-5)-5y^2(6y-5)[/latex]
    [latex](6y-5)(4x-5y^2)[/latex]
  19. [latex]-6u^2+3uv+14u-7v[/latex]
    [latex]-3u(2u-v)+7(2u-v)[/latex]
    [latex](2u-v)(-3u+7)[/latex]
  20. [latex]56ab-16b-49a+14[/latex]
    [latex]8b(7a-2)-7(7a-2)[/latex]
    [latex](7a-2)(8b-7)[/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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