Answer Key 7.5

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

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Intermediate Algebra by Terrance Berg is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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