Question

Resolve into factors:
41. 16a? - 4b2 + 12bc - 9c2
42.
7a + 3a²b - 3 ab2 + b3
a + b3 - a (a - b) + b (a + b)2
a²xy + b2 xy - aby?
43. 6a2
5ab - 21b2 - 2a - 3b
44. abx?
45. a- abc + abc-b3
46.
x2 - 29x + 180
3a?
4
47. a
49. x +
48. x4
13x + 36
3x2 - 28
50.
x2 - 26x
120
51. 12a2
17 ab + 6b
52.
21 m² - 58m + 21
53. 2x + x2 - x3
54.
20
a - a
55. 3 - 6x - 9x2
56.
- 3a? - 2a + 1
57. 8x - 3 - 4.x2
58. 12x - 20 - x2
59. - f - 15t - 56
60.
3 + 41² - 7
61. 10x2 + 99xy - 10y?
62.
5 - 4x - x²
63. 4a - 17a*b* + 4b8
64.
12x + 20x+y - 32xy?
65. a8 - 1144 - 80
66. p - 20p + 64
67. a® + 7a? - 8
68. 8x - 9x + 1
69. 42x2 + 13xy - 42y?
70.
18x + 21x2y - 72xy?
71. 36a* - 97a²b2 + 36b4
72. 2a - 13a- 24​

Answer 1

I don't know sorry I not tell