1.x? -25=
2.x? -20x+ 100=
3.x? +4x+3=
4.4x? - 12x+5=
5.3ax? -6ax=
6.x(x+2)-x=
7.x? -4x-ax+4a=
8.25x? -49=
9.36x? -60x+25=
10.4x? + 12x+9=
1 1.x? -9x+ 18=
12.2x? -5x-3=
13. 12x? -50x+8=
14.(x+2)(x-3)+(x+2)(x+4)= 1
15.2ax? -3x+2ax-3=
16.9x? -66x+ 12 1=
17.8-2x? =
18.x? -x+ 14 =
19.9x? -30x+25=
20.-20 times +9x+20=
2 1. 12x? -29x+ 15=
22.36x? +39x+9=
23.2 1x? -3 1x-22=
24.9x4-35x? -4=
25.(2x+ 1)(x+ 1)+(2x+ 1)(x-3)= 1
26.2ax? -3x+2ax-3=
27.x(y+2)-x-y- 1=
28.(x? -3x)+(x-3)2=
29.9x? -66x+ 12 1=
30.8-2x? =
3 1.x4- 1=
32.x? +4x-xy-2y+4=
33.4x? - 12x+5=
34.2 1x? -3 1x-22=
35.4x? +4xy+y2-4x-2y-3=
36.9x5-35x3-4x=
37.3x? -6x=
38.49x? -25=
39.6x? - 13x+5=
40.x? +2-3 times =
4 1. 12x? -23x-24=
42.(x+6)(x-6)-(x-6)= 1
43.3(x+2)(x-5)-(x+2)(x-3)= 1
44.9x? +42x+49=
45.(x+2)-2(x+2)2=
46.36x? +39x+9=
47.2 times? +ax-6x-3a=
48.22x? -3 1x-2 1=
49.3ax? -6ax=
50.(x+ 1)x-5x=
5 1.(2x+ 1)(x-3)-(2x+ 1)(x-5)= 1
52.xy+2x-5y- 10=
53.x2y2-x? -Really? -6xy+4=
54.8x2- 18
55.x2-(a-b)x-ab
56.9x4+35x2-4
57.x2-y2-2yz-z2
58.a(b2-c2)-c(a2-b2)
59.(2x+ 1)(x+ 1)+(2x+ 1)(x-3)
60.39x2-38x+8
6 1 7(x- 1)2+4(x- 1)(y+2)-20(y+2)2
62.xy2-2xy-3x-y2-2y- 1
63.4x2-6ax+ 18a2
64.20a3bc-9a2b2c-20ab3c
65.2ax2-5x+2ax-5
66.4x 3+4x 2-25-25
67.( 1-xy)2-(y-x)2
68.mx2-m2-x+ 1
69.a2-2ab+b2- 1
70.5x2-45
7 1.8 1x3-9x
72.x2-y2-5x-5y
73.x2-y2+2yz-z2
74.xy2-2xy-3x-y2-2y- 1
75.y2(x-y)+z2(y-x)