初二数学上册因式分解练习题大全56.docx

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初二数学上册因式分解练习题大全56.docx

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初二数学上册因式分解练习题大全56.docx

初二数学上册因式分解练习题大全56

81-90n+25n2(m+n)2+8m(m+n)+16m2

36x2+120x+1009a2-6a(x-y)+(x-y)2

x2-14x+48x2+4x-21

12x2+43x+3616-4y2

10a2-70ab8a2bc+80b2

4p(x-8)+28p(x-8)8(x-8)-m(x-8)

25-4b236x2-100y2

0.25n2-64(9x-6y)2-(8x+9y)2

81+72n+16n2(x+y)2-10m(x+y)+25m2

49a2+42a+99a2-6a(a+b)+(a+b)2

x2-10x+21x2+8x-9

2x2+5x+34-16n2

65a3+60a3b16abc+20b

18q(y+5)+32p(y+5)4(y+5)+m(y+5)

9-64a236x2-16y2

81n2-196(x-y)2-(x-y)2

9-30m+25m2(x-y)2+8m(x-y)+16m2

4a2-20a+254a2+4a(x-y)+(x-y)2

x2-15x+56x2+3x-18

6x2-17x+51-16x2

70a+60a14ab2c+70bc

4p(1-a)-16p(1-a)8(1-a)-m(1-a)

100-9m264x2-16y2

81b2-49(x-y)2-(x-8y)2

49-56b+16b2(a+b)2+6m(a+b)+9m2

81a2+90a+2516a2+8a(a-b)+(a-b)2

x2-8x+12x2-3x-40

20x2+21x+436-49m2

25a3-80ab6a2b3c-70b2

10q(8+a)-16q(8+a)4(8+a)+m(8+a)

25-36b28x2-32y2

25y2-100(x-y)2-(x+7y)2

25+50x+25x2(x-y)2+6m(x-y)+9m2

36a2+96a+6416a2-8a(x+y)+(x+y)2

x2-15x+56x2+5x-14

8x2+34x+35100-4m2

40a4+20a316a2b3c-60b4

10q(x-6)+28q(x-6)2(x-6)+m(x-6)

64-16a264x2-100y2

0.09a2-64(4x+y)2-(x+10y)2

49+112n+64n2(a-b)2+4m(a-b)+4m2

4x2-16x+169a2-6a(a-b)+(a-b)2

x2-17x+72x2-5x-6

15x2+37x+209-100a2

35a4-20ab4a2bc+70b2

16p(3+b)+20q(3+b)4(3+b)+m(3+b)

9-64x2100x2-4y2

64a2-256(4x+6y)2-(4x+9y)2

9-42x+49x2(a-b)2-4m(a-b)+4m2

36m2-48m+1616a2-8a(x+y)+(x+y)2

x2+6x+9x2+5x-50

12x2-34x+14100-25x2

5a2-80a20ab3c-30bc

4p(x-7)-20q(x-7)4(x-7)+m(x-7)

64-4a275x2-48y2

36x2-16(6x-y)2-(5x+y)2

36+120y+100y2(x-y)2+6m(x-y)+9m2

4m2-40m+1004a2-4a(x+y)+(x+y)2

x2+7x+6x2-4x-32

12x2+29x+1425-49y2

95a3-20a20a3b2c+10b4c

14p(6-b)+4p(6-b)4(6-b)-m(6-b)

81-64y212x2-12y2

0.81x2-196(7x-2y)2-(x+7y)2

100+160n+64n2(x+y)2+10m(x+y)+25m2

81a2-72a+1636a2+12a(m+n)+(m+n)2

x2-6x+9x2-3x-18

12x2+48x+3616-16n2

65a+70a2b16a3b3c+100bc

14p(7-a)-12q(7-a)6(7-a)-m(7-a)

49-100b248x2-12y2

4y2-64(x+4y)2-(x+y)2

49-112b+64b2(m+n)2+12m(m+n)+36m2

64b2-80b+254a2+4a(m+n)+(m+n)2

x2+3x+2x2-9x-10

2x2+14x+201-16b2

65a+90a2b6a4bc+80b

8q(4-a)-12q(4-a)6(4-a)+m(4-a)

4-49x216x2-100y2

0.49m2-100(x-2y)2-(x+7y)2

49+140n+100n2(a-b)2+4m(a-b)+4m2

9a2+30a+2525a2-10a(m+n)+(m+n)2

x2-10x+16x2+8x-20

12x2-43x+3581-16b2

25a4+90a410a4b2c-70b

10q(x+6)+16p(x+6)4(x+6)-m(x+6)

36-49x212x2-3y2

0.36b2-16(9x-y)2-(x+y)2

25-100b+100b2(x-y)2+4m(x-y)+4m2

36n2+84n+4925a2+10a(a-b)+(a-b)2

x2+6x+5x2-7x-30

12x2-52x+404-81y2

80a3+100ab4a3b3c+30b

8p(y+3)+24p(y+3)6(y+3)+m(y+3)

16-49n264x2-64y2

0.25m2-9(2x+6y)2-(x+10y)2

49-98m+49m2(a+b)2-12m(a+b)+36m2

36m2-36m+94a2-4a(m-n)+(m-n)2

x2+8x+12x2+2x-35

15x2-54x+4881-4m2

55a+100a312a3b2c+40b

14p(x-1)-24p(x-1)4(x-1)+m(x-1)

1-25b250x2-18y2

0.04b2-361(7x-y)2-(8x-y)2

36+60x+25x2(m+n)2+4m(m+n)+4m2

4n2-12n+916a2+8a(a+b)+(a+b)2

x2-16x+63x2+3x-18

6x2+10x+4100-36a2

55a2+80a3b4ab3c-30b3

6q(y-7)-4p(y-7)8(y-7)+m(y-7)

1-9x232x2-18y2

0.25y2-324(4x-y)2-(6x+7y)2

16-32a+16a2(a+b)2+12m(a+b)+36m2

36n2-72n+3625a2-10a(m-n)+(m-n)2

x2-6x+9x2-2x-35

9x2+54x+804-49n2

35a+60ab8abc-70bc

16q(8+a)-4q(8+a)6(8+a)-m(8+a)

4-81b248x2-48y2

4y2-25(x+2y)2-(x+y)2

25+100y+100y2(x+y)2+12m(x+y)+36m2

9b2-48b+6425a2+10a(x-y)+(x-y)2

x2+9x+14x2-2x-35

9x2+18x+564-25m2

70a4+90ab8a4bc-40bc

20p(2+a)-16p(2+a)6(2+a)+m(2+a)

1-25b264x2-16y2

0.25x2-9(x-y)2-(5x+y)2

25-90y+81y2(a+b)2+6m(a+b)+9m2

16y2-80y+10036a2+12a(x+y)+(x+y)2

x2-18x+81x2+4x-45

8x2-16x+664-64y2

25a+50ab2a3bc+10bc

20p(2-a)+24p(2-a)6(2-a)+m(2-a)

9-49a236x2-4y2

16n2-361(x-y)2-(x+y)2

36-120a+100a2(m-n)2+8m(m-n)+16m2

9x2-48x+6436a2-12a(x-y)+(x-y)2

x2-10x+9x2-4x-32

8x2+56x+8064-25b2

40a4-10ab18a4b3c+100b2

4q(2+b)+36p(2+b)4(2+b)+m(2+b)

100-9x2100x2-64y2

0.16a2-25(5x+y)2-(x-y)2

25+90y+81y2(x-y)2-10m(x-y)+25m2

64a2+128a+6436a2-12a(m+n)+(m+n)2

x2+13x+42x2+5x-24

5x2-28x+1581-49b2

25a4-100ab2ab3c-100bc

18p(y+8)+24p(y+8)8(y+8)+m(y+8)

9-100n227x2-75y2

25y2-81(7x-y)2-(x+y)2

64+128x+64x2(a-b)2-6m(a-b)+9m2

9b2-48b+6436a2-12a(m-n)+(m-n)2

x2+9x+18x2-5x-24

4x2+34x+7236-81n2

55a+60ab16ab3c-100bc

20p(9+b)+24p(9+b)6(9+b)-m(9+b)

36-4m248x2-48y2

49y2-1(x+5y)2-(x-7y)2

49-84m+36m2(x-y)2+6m(x-y)+9m2

100y2-180y+819a2+6a(m-n)+(m-n)2

x2-11x+30x2+7x-30

16x2+20x+44-25m2

70a+70ab6abc-80b2c

2q(6-a)+36q(6-a)6(6-a)+m(6-a)

16-36x218x2-2y2

64x2-196(x-y)2-(x+y)2

64-48y+9y2(a+b)2+10m(a+b)+25m2

36m2+60m+2516a2-8a(a-b)+(a-b)2

x2-12x+36x2+5x-50

16x2-36x+201-9b2

15a4+70a3b14abc-20b

20q(y+4)+12q(y+4)8(y+4)-m(y+4)

25-49b2100x2-100y2

16b2-400(x+4y)2-(6x-7y)2

100+100b+25b2(a+b)2+8m(a+b)+16m2

36a2-72a+3636a2-12a(x+y)+(x+y)2

x2+10x+24x2+5x-50

8x2-34x+304-81n2

65a4+10a14abc+60b

12p(7-a)-4p(7-a)4(7-a)+m(7-a)

49-36m218x2-8y2

0.81m2-9(3x-y)2-(x+y)2

49-84x+36x2(x-y)2+12m(x-y)+36m2

49a2+84a+369a2-6a(a-b)+(a-b)2

x2+11x+30x2+5x-36

6x2-31x+401-81x2

80a2+100ab10abc+70b

12p(9-a)-36p(9-a)4(9-a)-m(9-a)

1-49y28x2-8y2

0.64m2-324(7x+2y)2-(5x-8y)2

36+48a+16a2(m+n)2-12m(m+n)+36m2

64m2+128m+649a2-6a(a-b)+(a-b)2

x2+11x+18x2-3x-18

4x2+8x+364-16x2

95a+50a20abc-10b4c

6q(4-b)+12p(4-b)2(4-b)+m(4-b)

25-49n28x2-50y2

36n2-49(x-y)2-(5x+y)2

100+140m+49m2(x-y)2-10m(x-y)+25m2

9y2-48y+644a2+4a(x+y)+(x+y)2

x2+10x+24x2+8x-9

16x2-64x+604-64x2

65a-10ab20ab3c-40b3c

18p(x+9)+28p(x+9)2(x+9)+m(x+9)

64-36x250x2-32y2

0.81x2-100(x+5y)2-(4x+7y)2

36-96n+64n2(x-y)2-8m(x-y)+16m2

49m2+112m+649a2-6a(m-n)+(m-n)2

x2-15x+56x2-1x-30

5x2-49x+369-16y2

20a3+100a216ab3c-30b4c

18q(x+6)-16q(x+6)6(x+6)-m(x+6)

100-81b216x2-36y2

4b2-289(x-5y)2-(x+y)2

4+32n+64n2(a-b)2+6m(a-b)+9m2

49n2-126n+814a2+4a(a+b)+(a+b)2

x2-16x+64x2+6x-7

16x2+40x+24100-49b2

100a-10a3b2a4bc-50b3

16q(8-a)-24p(8-a)2(8-a)-m(8-a)

100-25m28x2-32y2

0.49m2-36(x-y)2-(x-10y)2

100+60b+9b2(a+b)2-10m(a+b)+25m2

36m2-12m+136a2-12a(m+n)+(m+n)2

x2-16x+63x2-2x-35

10x2-47x+936-4b2

70a-90a2b10a3bc-60b3c

16q(8-a)-36p(8-a)2(8-a)-m(8-a)

25-25b218x2-18y2

64n2-16(9x+y)2-(2x+y)2

64-160y+100y2(a+b)2+10m(a+b)+25m2

16a2+80a+10036a2+12a(m-n)+(m-n)2

x2-11x+18x2-7x-30

3x2+5x+2100-100n2

20a-30a314ab3c+50b

10q(2+a)+32p(2+a)8(2+a)-m(2+a)

100-16x250x2-50y2

81x2-9(7x-6y)2-(7x+9y)2

4+8a+4a2(m+n)2+6m(m+n)+9m2

16n2+8n+14a2+4a(m+n)+(m+n)2

x2-10x+16x2-4x-21

8x2-28x+24100-49n2

60a-90a20a2b2c+70b4

10p(x+9)-32q(x+9)8(x+9)-m(x+9)

64-25m275x2-12y2

0.04b2-9(x+y)2-(6x+y)2

1+4x+4x2(m+n)2-10m(m+n)+25m2

4x2-24x+364a2-4a(x+y)+(x+y)2

x2-5x+6x2-4x-45

6x2-35x+3649-25x2

95a4-30ab20a4bc-90bc

18q(1+b)+8q(1+b)6(1+b)-m(1+b)

64-64n248x2-3y2

49x2-25(x-y)2-(x+y)2

4+8n+4n2(a+b)2-8m(a+b)+16m2

64n2-128n+649a2-6a(m-n)+(m-n)2

x2+17x+72x2-5x-14

12x2+10x+281-9m2

15a-50a10ab2c+80b3c

6p(4-b)+24q(4-b)8(4-b)-m(4-b)

81-36n264x2-64y2

9b2-169(4x-y)2-(9x+9y)2

100-160b+64b2(a+b)2+4m(a+b)+4m2

81n2-144n+649a2-6a(x-y)+(x-y)2

x2+13x+42x2+9x-10

20x2+72x+6481-16a2

75a3+60a8a3bc+30b4c

18q(3+b)-16p(3+b)2(3+b)+m(3+b)

100-64b218x2-32y2

36m2-1(4x-3y)2-(x-y)2

49+84y+36y2(x-y)2-10m(x-y)+25m2

81a2+90a+2536a2+12a(x+y)+(x+y)2

x2+11x+28x2+6x-27

4x2+14x+1216-36a2

45a3-100a20a2bc-10bc

2q(x-2)+12p(x-2)2(x-2)-m(x-2)

25-100m250x2-50y2

0.09a2-4(x-5y)2-(9x+y)2

49-98x+49x2(a-b)2-4m(a-b)+4m2

64b2-48b+99a2+6a(m-n)+(m-n)2

x2+16x+63x2+6x-27

4x2-34x+60100-25n2

25a+50ab6abc+40b3

6p(9-a)+4q(9-a)6(9-a)-m(9-a)

16-25a227x2-12y2

0.64n2-400(3x+2y)2-(x+y)2

4-12a+9a2(m+n)2+4m(m+n)+4m2

64m2+32m+425a2+10a(x-y)+(x-y)2

x2+9x+8x2-7x-18

15x2-75x+9016-9y2

40a+50a2b18a4b2c+40b

12p(y+6)+20p(y+6)6(y+6)+m(y+6)

9-4n216x2-4y2

25a2-4(9x+6y)2-(3x-y)2

25+70x+49x2(x-y)2+6m(x-y)+9m2

81n2-162n+8125a2-10a(x-y)+(x-y)2

x2-8x+15x2+6x-7

4x2+18x+2016-36a2

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