Answer Key 7.5

  1. [latex](r-4)(r+4)[/latex]
  2. [latex](x-3)(x+3)[/latex]
  3. [latex](v-5)(v+5)[/latex]
  4. [latex](x-1)(x+1)[/latex]
  5. [latex](p-2)(p+2)[/latex]
  6. [latex](2v-1)(2v+1)[/latex]
  7. [latex]3(x^2-9)[/latex]
    [latex]3(x-3)(x+3)[/latex]
  8. [latex]5(n^2-4)[/latex]
    [latex]5(n-2)(n+2)[/latex]
  9. [latex]4(4x^2-9)[/latex]
    [latex]4(2x-3)(2x+3)[/latex]
  10. [latex]5(25x^2+9y^2)[/latex]
  11. [latex](a-1)^2[/latex]
  12. [latex](k+2)^2[/latex]
  13. [latex](x+3)^2[/latex]
  14. [latex](n-4)^2[/latex]
  15. [latex](5p-1)^2[/latex]
  16. [latex](x+1)^2[/latex]
  17. [latex](5a+3b)^2[/latex]
  18. [latex](x+4y)^2[/latex]
  19. [latex]2(4x^2-12xy+9y^2)[/latex]
    [latex]2(2x-3y)^2[/latex]
  20. [latex]5(4x^2+4xy+y^2)[/latex]
    [latex]5(2x+y)^2[/latex]
  21. [latex](2-m)(4+2m+m^2)[/latex]
  22. [latex](x+4)(x^2-4x+16)[/latex]
  23. [latex](x-4)(x^2+4x+16)[/latex]
  24. [latex](x+2)(x^2-2x+4)[/latex]
  25. [latex](6-u)(36+6u+u^2)[/latex]
  26. [latex](5x-6)(25x^2+30x+36)[/latex]
  27. [latex](5a-4)(25a^2+20a+16)[/latex]
  28. [latex](4x-3)(16x^2+12x+9)[/latex]
  29. [latex](4x+3y)(16x^2-12xy+9y^2)[/latex]
  30. [latex]4(8m^3-27n^3)[/latex]
    [latex]4(2m-3n)(4m^2+6mn+9n^2)[/latex]

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