1. {3}
3. {2}
5. (−∞, ∞)
7. {1}
9. {1}
11. {11}
13. {−4,−13}
15. {−32}
17. {15, 3}
19. g=p−kt
21. B=TT−2
23. {0, 7}
25. {−2, 5}
27. {−6, 1}
29. {−5, 1}
31. {−1, 23}
33. {32−13−−√2, 32+13−−√2}
35. {−1, 12}
37. {2−23–√, 2+23–√}
39. {14−17−−√4, 14+17−−√4}
41. {12−3–√2i, 12+3–√2i}
43. {3−2i, 3+2i}
45. {1−32i, 1+32i}
47. D=49, two real, unequal
49. D=−16, two unequal complex roots
51. {−4, 4}
53. {12}
55. {9}
57. {16}
59. {−107,−27}
61. {−64, 1}
63. {0}
65. {−3,−12, 12, 3}
67. {0}
69. {−310, 6}
71. {−3y, y}
73. {y−1, y−2}
75. (−∞,−2)
77. (−∞, 173]
79. [−67, ∞)
81. (76, ∞)
83. (−∞, 21]
85. (−∞, 4110)
87. (−∞, 1)∪(3, ∞)
89. (2, 3)
91. [−2, 3)
93. [−47, 3)
95. (−∞,−3]∪[2, ∞)
97. (−∞,−5)∪[−3,−2)∪[1, ∞)
99. [−3, 53]
101. (−∞, 1)∪(3, ∞)
103. (−∞,−1]∪[9, ∞)
105. (−∞,−72]∪[−54, ∞)
107. (−∞,−2)∪(−2,−14]