1. $\{3\}$

3. $\{2\}$

5. $(-\infty ,\infty )$

7. $\{1\}$

9. $\{1\}$

11. $\{11\}$

13. $\left\{-4,-{\displaystyle \frac{1}{3}}\right\}$

15. $\left\{-{\displaystyle \frac{3}{2}}\right\}$

17. $\left\{{\displaystyle \frac{1}{5}},3\right\}$

19. $g={\displaystyle \frac{p-k}{t}}$

21. $B={\displaystyle \frac{T}{T-2}}$

23. $\{0,7\}$

25. $\{-2,5\}$

27. $\{-6,1\}$

29. $\{-5,1\}$

31. $\left\{-1,{\displaystyle \frac{2}{3}}\right\}$

33. $\left\{{\displaystyle \frac{3}{2}}-{\displaystyle \frac{\sqrt{13}}{2}},{\displaystyle \frac{3}{2}}+{\displaystyle \frac{\sqrt{13}}{2}}\right\}$

35. $\left\{-1,{\displaystyle \frac{1}{2}}\right\}$

37. $\{2-2\sqrt{3},2+2\sqrt{3}\}$

39. $\left\{{\displaystyle \frac{1}{4}}-{\displaystyle \frac{\sqrt{17}}{4}},{\displaystyle \frac{1}{4}}+{\displaystyle \frac{\sqrt{17}}{4}}\right\}$

41. $\left\{{\displaystyle \frac{1}{2}}-{\displaystyle \frac{\sqrt{3}}{2}}i,{\displaystyle \frac{1}{2}}+{\displaystyle \frac{\sqrt{3}}{2}}i\right\}$

43. $\{3-2i,3+2i\}$

45. $\left\{1-{\displaystyle \frac{3}{2}}i,1+{\displaystyle \frac{3}{2}}i\right\}$

47. $D=49,$ two real, unequal

49. $D=-16,$ two unequal complex roots

51. $\{-4,4\}$

53. $\left\{{\displaystyle \frac{1}{2}}\right\}$

55. $\{9\}$

57. $\{16\}$

59. $\left\{-{\displaystyle \frac{10}{7}},-{\displaystyle \frac{2}{7}}\right\}$

61. $\{-64,1\}$

63. $\{0\}$

65. $\left\{-3,-{\displaystyle \frac{1}{2}},{\displaystyle \frac{1}{2}},3\right\}$

67. $\{0\}$

69. $\left\{-{\displaystyle \frac{3}{10}},6\right\}$

71. $\{-3y,y\}$

73. $\{y-1,y-2\}$

75. $(-\infty ,-2)$

77. $\left(-\infty ,{\displaystyle \frac{17}{3}}\right]$

79. $\left[-{\displaystyle \frac{6}{7}},\infty \right)$

81. $\left({\displaystyle \frac{7}{6}},\infty \right)$

83. $(-\infty ,21]$

85. $\left(-\infty ,{\displaystyle \frac{41}{10}}\right)$

87. $(-\infty ,1)\cup (3,\infty )$

89. (2, 3)

91. $[-2,3)$

93. $[-47,3)$

95. $(-\infty ,-3]\cup [2,\infty )$

97. $(-\infty ,-5)\cup [-3,-2)\cup [1,\infty )$

99. $\left[-3,{\displaystyle \frac{5}{3}}\right]$

101. $(-\infty ,1)\cup (3,\infty )$

103. $(-\infty ,-1]\cup [9,\infty )$

105. $\left(-\infty ,-{\displaystyle \frac{7}{2}}\right]\cup \left[-{\displaystyle \frac{5}{4}},\infty \right)$

107. $(-\infty ,-2)\cup \left(-2,-{\displaystyle \frac{1}{4}}\right]$