经典因式分解练习题100道
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因式分解综合训练(1)
1.) 3a³b²c-12a²b²c2+9ab²c³
=_________________________________________
2.) 16x²-81=________________________________
3.) xy+6-2x-3y =__________________________
4.) x² (x-y)+y² (y-x)
=__________________________________________
5.) 2x²-(a-2b)x-ab
=_________________________________________
6.) a4-9a²b² =_______________________________
7.) x³+3x²-4 =______________________________
8.) ab(x²-y²)+xy(a²-b²)
=________________________________________
9.) (x+y)(a-b-c)+(x-y)(b+c-a)
=______________________________________________
10.) a²-a-b²-b =____________________________
11.) (3a-b)²-4(3a-b)(a+3b)+4(a+3b)²
=___________________________________________
12.)(a+3) ²-6(a+3) =___________________________
13.) (x+1) ²(x+2)-(x+1)(x+2) ²
=_____________________________________________ 14.)16x²-81 =______________________________ 15.) 9x²-30x+25 =__________________________16.) x²-7x-30 =______________________________
17.) x(x+2)-x =____________________________
18.) x²-4x-ax+4a=__________________________
19.) 25x²-49 =______________________________
20.) 36x²-60x+25 =___________________________
21.) 4x²+12x+9 =_____________________________
22.) x²-9x+18 =______________________________
23.) 2x²-5x-3 =_______________________________
24.) 12x²-50x+8 =____________________________
25.) 3x²-6x =__________________________________
26.) 49x²-25 =_________________________________
27.) 6x²-13x+5 =_____________________________
28.) x²+2-3x =________________________________
29.) 12x²-23x-24
=______________________________
30.) (x+6)(x-6)-(x-6)
=_________________________
31.) 3(x+2)(x-5)-(x+2)(x-3)
=____________________________________________
32.) 9x²+42x+
49=________________________________
33.) x4-2x³-35x=_______________________________
34.) 3x6-3x²=__________________________________
35.) x²-25 =________________________
36.) x²-20x+100=__________________________
37.) x²+4x+3 =_____________________________
38.) 4x²-12x+5 =____________________________
39.) 3ax²-6ax =________________________________
40.) (x+2)(x-3)+(x+2)(x+4)
=______________________________________
41.) 2ax²-3x+2ax-3
=______________________________________
42.) 9x²-66x+121
=_______________________________________
43.) 8-2x² =______________________________
44.) x²-x+14 =____________________________
45.) 9x²-30x+25 =____________________________
46.)-20x²+9x+20 =___________________________
47.) 12x²-29x+15=___________________________
48.) 36x²+39x+9 =_____________________________
49.) 21x²-31x-22 =_____________________________
50.) 9x4-35x²-4 =_______________________________
51.) (2x+1)(x+1)+(2x+1)(x-3)
=______________________________________________
52.) 2ax²-3x+2ax-3
=______________________________________________
53.) x(y+2)-x-y-1
=_______________________________________________