Exercises 6.2, page 192

  1. 1. (x + 3)(x + 1)

  2. 3. (2x − 1)(x − 5)

  3. 5. x2 − 14x + 49

  4. 7. a2 + 6ab + 9b2

  5. 9. (x + 1)(x + 3)

  6. 11. (s − 7)(s + 6)

  7. 13. (t + 8)(t − 3)

  8. 15. (x + 4)2

  9. 17. (a − 3b)2

  10. 19. (3x + 1)(x − 2)

  11. 21. 4(3y + 1)(y − 3)

  12. 23. (2s + 11)(s + 1)

  13. 25. (3z − 1)(z − 6)

  14. 27. (2t − 3)(t + 5)

  15. 29. (3t − 4u)(t − u)

  16. 31. (6x − 5)(x + 1)

  17. 33. (9x − 2y)(x + y)

  18. 35. 3(2m + 5)2

  19. 37. 2(2x − 3)2

  20. 39. (3t − 4)(3t − 1)

  21. 41. (8b3 − 1)(b3 + 4)

  22. 43. (4p − q)(p − 6q)

  23. 45. (12x − y)(x + 4y)

  24. 47. 2(x − 1)(x − 6)

  25. 49. 2x(2x2 − 1)(x2 + 4)

  26. 51. ax(x + 6a)(x − 2a)

  27. 53. (4xn − 3)(xn + 4)

  28. 55. 16(t − 1)(t − 4)

  29. 57. (d2 − 2)(d2 − 8)

  30. 59. (3Q + 10)(Q − 3)

  31. 61. (V − nB)2

  32. 63. wx2(x − 2L)(x − 3L)

  33. 65. Ad(3u − v)(u − v)

  34. 67. 12,  − 12

  35. 69.  − 19 ,   − 11 ,   − 9 ,  9, 11, 19

  36. 71.  − 16(t − 4)(t + 2)

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