9. 8(x−3)
10. 5(x+5)
11. −6x(x−2)
12. −3(x2−7)
13. 7x2(1+2x)
14. 9x3(1−2x)
15. x2(x2+2x+1)
16. x2(x2−5x+7)
17. x2(3x−1)
18. 2x2(x+1)
19. 4ax2(2x+1)
20. ax(x3−2x+1)
21. (x−y)(x+3)
22. (a+1)(2a−3)
23. (2x+y)(3x+5y)
24. (5x−3y)(2x+7y)
25. (y+2)(y−1)
26. (y+1)(y+2)
27. (x+3)(x2+1)
28. (x+5)(x2+1)
29. (x−5)(x2+1)
30. (x−7)(x2+1)
31. (3x+2)(2x2+1)
32. (x+2)(3x2+1)
33. x2(3x2+1)(4x3+1)
34. x2(x2+1)(3x3+1)
35. (y+b)(x+a)
36. (x+1)(2a2−b)
37. (x+3)(x+4)
38. (x+3)(x+5)
39. (x−2)(x−4)
40. (x−2)(x−7)
41. (x+1)(x−4)
42. (x+1)(x−6)
43. Irreducible
44. Irreducible
45. (2x+9)(x−4)
46. (2x+9)(x−3)
47. (2x+3)(3x+4)
48. (2x−3)(4x+1)
49. (3x+1)(x−4)
50. (x+1)(5x+2)
51. Irreducible
52. Irreducible
53. (x+4y)(x−5y)
54. (4p+5q)(2p−3q)
55. (3x−4)(5x+7)
56. (2y+7)(2y+5)
57. (x+3)2
58. (x+4)2
59. (3x+1)2
60. (6x+1)2
61. (5x−2)2
62. (8x+2)2
63. (7x+3)2
64. (3x+4)2
65. (x−8)(x+8)
66. (x−11)(x+11)
67. (2x−1)(2x+1)
68. (3x−1)(3x+1)
69. (4x−3)(4x+3)
70. (5x−7)(5x+7)
71. (x−1)(x+1)(x2+1)
72. (x−3)(x+3)(x2+9)
73. 5(2x2−1)(2x2+1)
74. 3(2x2−5)(2x2+5)
75. (x+4)(x2−4x+16)
76. (x+5)(x2−5x+25)
77. (x−3)(x2+3x+9)
78. (x−6)(x2+6x+36)
79. (2−x)(4+2x+x2)
80. (3−x)(9+3x+x2)
81. (2x−3)(4x2+6x+9)
82. (2x−5)(4x2+10x+25)
83. 5(2x+1)(4x2−2x+1)
84. 7(x+2)(x2−2x+4)
85. (x2+3x+5)(x2−3x−5)
86. (x2+x+1)(x2−x+1)
87. (x2+x+8)(x2−x+8)
88. (x2+x−3)(x2−x−3)
89. (x2+3x+4)(x2−3x+4)
90. (x2+2x−6)(x2−2x−6)
91. (x2+2x+2)(x2−2x+2)
92. (x2+4x+8)(x2−4x+8)
93. (1−4x)(1+4x)
94. (2−5x)(2+5x)
95. (x−3)2
96. (x−4)2
97. (2x+1)2
98. (4x+1)2
99. 2(x+1)(x−5)
100. 5(x+2)(x−4)
101. (2x−5)(x+4)
102. (2x+5)(x−6)
103. Irreducible
104. Irreducible
105. 3x3(x+2)2
106. 2x3(x+4)2
107. (3x+1)(3x−1)
108. (4x+5)(4x−5)
109. (4x+3)2
110. (2x+5)2
111. Irreducible
112. Irreducible
113. x(5x+2)(9x−2)
114. x(5x−1)(5x+9)
115. a(x+a)(x−8a)
116. a(x+2a)(x−12a)
117. (x+4+4a)(x+4−4a)
118. (x+3+6a)(x+3−6a)
119. 3x3(x+2y)2
120. 4x3(x+3y)2
121. (x+2+5a)(x+2−5a)
122. (x+2+4a)(x+2−4a)
123. 2x4(3x+y)2
124. 3x4(2x+y)2