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

=_______________________________________________

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