初中八年级数学上册因式分解练习题大全23Word文件下载.docx

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初中八年级数学上册因式分解练习题大全23Word文件下载.docx

81b2-162b+8136a2-12a(m-n)+(m-n)2

x2+16x+63x2+7x-30

6x2-40x+509-9n2

70a+20a12ab2c-40b

10p(y-2)-28p(y-2)4(y-2)-m(y-2)

64-4n218x2-32y2

0.25b2-169(7x-2y)2-(x-y)2

16-56m+49m2(m+n)2-12m(m+n)+36m2

16y2+32y+169a2-6a(x+y)+(x+y)2

x2-15x+56x2-6x-16

16x2-52x+309-36y2

45a3-50a4b14a3bc-40b

18p(y+4)+16p(y+4)2(y+4)+m(y+4)

64-4b216x2-64y2

0.49m2-25(x-5y)2-(6x+y)2

9+24a+16a2(x-y)2-6m(x-y)+9m2

36x2+24x+416a2-8a(a-b)+(a-b)2

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

15x2-71x+709-4x2

10a2+100ab2a3b2c-100bc

14p(y-4)+12q(y-4)2(y-4)+m(y-4)

1-64n227x2-27y2

0.09b2-49(x-y)2-(x+y)2

9+30x+25x2(x+y)2+4m(x+y)+4m2

49a2-84a+3616a2-8a(a-b)+(a-b)2

x2-7x+10x2+7x-18

8x2+32x+2481-36x2

85a+20a26abc-80b

14q(2-b)+32q(2-b)4(2-b)-m(2-b)

81-9y250x2-2y2

0.25b2-9(x+4y)2-(x-10y)2

25+50n+25n2(x-y)2-8m(x-y)+16m2

49y2+140y+10036a2-12a(m-n)+(m-n)2

x2-13x+36x2+4x-32

8x2-38x+241-81m2

95a4-70a38ab3c+20b2

6q(4-b)-28q(4-b)6(4-b)+m(4-b)

16-100x218x2-32y2

0.16b2-361(x+y)2-(8x-7y)2

100+180y+81y2(a+b)2+12m(a+b)+36m2

49n2+42n+99a2+6a(a-b)+(a-b)2

x2+11x+18x2+9x-10

6x2-41x+7081-9n2

25a3+70a34ab3c-70b

10p(x+1)-16p(x+1)2(x+1)+m(x+1)

100-81x232x2-18y2

36a2-16(2x+3y)2-(x-9y)2

100-40a+4a2(a-b)2+10m(a-b)+25m2

49y2-126y+8125a2+10a(m+n)+(m+n)2

x2+9x+14x2-6x-27

4x2+22x+2881-49n2

70a+10a220a3bc-60b3c

14q(1+a)+12q(1+a)2(1+a)+m(1+a)

1-64m24x2-100y2

9b2-289(x+y)2-(8x+y)2

100+200n+100n2(a-b)2-6m(a-b)+9m2

25b2+40b+169a2+6a(a+b)+(a+b)2

x2+12x+32x2+3x-28

5x2+23x+244-4x2

95a2+10a2b20ab2c+40b3c

14p(5-b)-36p(5-b)4(5-b)-m(5-b)

81-16x216x2-36y2

0.16n2-256(8x+3y)2-(5x+y)2

16+72x+81x2(x+y)2-6m(x+y)+9m2

49m2+42m+99a2+6a(m-n)+(m-n)2

x2-11x+28x2+3x-28

4x2-34x+72100-49n2

85a+30ab18a2bc-20b2

8p(x-3)+4q(x-3)8(x-3)+m(x-3)

100-64x250x2-8y2

0.09n2-4(x-6y)2-(x+y)2

100-100n+25n2(x+y)2-4m(x+y)+4m2

100x2+180x+819a2+6a(x+y)+(x+y)2

x2-6x+9x2-4x-21

15x2-40x+2549-9n2

70a+90a2b6a3bc+80b4c

12q(y+9)+32q(y+9)4(y+9)+m(y+9)

49-49y216x2-16y2

49a2-144(4x-4y)2-(8x-y)2

49-70m+25m2(m-n)2+4m(m-n)+4m2

16y2-56y+499a2-6a(m+n)+(m+n)2

x2+15x+54x2-5x-24

5x2+15x+101-36b2

25a-40a4b20a4b3c-30b2

2p(8+a)+8q(8+a)4(8+a)+m(8+a)

36-81m250x2-18y2

49y2-81(x-y)2-(x-10y)2

81+180x+100x2(m-n)2+4m(m-n)+4m2

16m2-56m+4916a2-8a(x-y)+(x-y)2

x2-16x+63x2-7x-8

3x2-21x+3016-64b2

10a-100a24a3bc-30b4

12p(5+a)+16p(5+a)6(5+a)+m(5+a)

64-81y227x2-3y2

64x2-400(x-y)2-(6x-y)2

49+70b+25b2(m-n)2+10m(m-n)+25m2

25m2+10m+19a2-6a(x+y)+(x+y)2

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

4x2+26x+4249-9m2

100a+20a2b6a4bc-40b4c

18p(y-4)-20p(y-4)8(y-4)-m(y-4)

9-49x22x2-18y2

49n2-64(6x+y)2-(x+y)2

81+144x+64x2(a-b)2-12m(a-b)+36m2

49m2+126m+8116a2+8a(m+n)+(m+n)2

x2+8x+12x2-5x-36

8x2+44x+2049-49b2

80a+10a2b18a2bc-70bc

16p(x+3)-16p(x+3)4(x+3)+m(x+3)

1-49y236x2-100y2

49a2-16(x+3y)2-(3x-y)2

9+18m+9m2(m-n)2-10m(m-n)+25m2

81y2-162y+8116a2-8a(m-n)+(m-n)2

x2-8x+15x2+8x-9

12x2-49x+3036-100m2

45a-100ab4ab2c+60b

18p(y-7)-32q(y-7)2(y-7)-m(y-7)

25-100a24x2-36y2

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

4+28y+49y2(a+b)2+10m(a+b)+25m2

64m2+96m+369a2-6a(a-b)+(a-b)2

x2-4x+4x2+7x-8

20x2+47x+2149-4y2

65a+70a34a4bc+20b4

10q(y+1)+20q(y+1)2(y+1)-m(y+1)

100-64b248x2-12y2

64x2-25(x+5y)2-(8x-y)2

36-36m+9m2(a+b)2+4m(a+b)+4m2

9n2-6n+116a2-8a(a+b)+(a+b)2

x2-11x+28x2-2x-35

4x2+32x+639-64n2

50a4-30ab18a3bc+70b4

18p(y-7)-12p(y-7)2(y-7)+m(y-7)

25-4m28x2-18y2

0.25y2-196(x+2y)2-(4x+y)2

1+8x+16x2(a-b)2+8m(a-b)+16m2

49m2+126m+8125a2-10a(m-n)+(m-n)2

x2-8x+15x2-5x-14

9x2+42x+491-49n2

45a4-20a4b6a4bc-30b3

10q(x+6)+40q(x+6)6(x+6)+m(x+6)

25-49n28x2-32y2

0.49x2-9(3x-y)2-(x+y)2

81-54x+9x2(a-b)2-12m(a-b)+36m2

100a2-120a+364a2-4a(m+n)+(m+n)2

x2+7x+12x2+3x-18

9x2-30x+1616-25b2

10a4+60a36abc-80b4c

12q(9-a)-32p(9-a)8(9-a)+m(9-a)

9-100a218x2-32y2

9b2-49(x-4y)2-(4x+7y)2

16+64a+64a2(m-n)2-8m(m-n)+16m2

36y2+24y+425a2-10a(a+b)+(a+b)2

x2-8x+7x2+7x-8

12x2+51x+5464-36b2

55a3+90a412a3bc+60b2

14p(y+5)+4q(y+5)2(y+5)+m(y+5)

49-64x218x2-50y2

64m2-81(7x-y)2-(4x+9y)2

100+80a+16a2(m-n)2+4m(m-n)+4m2

100n2+180n+819a2-6a(a-b)+(a-b)2

x2+7x+10x2+3x-18

3x2-19x+2881-81x2

100a3-90a6a3bc+100b4

12q(x-8)-24q(x-8)2(x-8)-m(x-8)

1-36a218x2-50y2

16a2-289(x+y)2-(x-y)2

16-72x+81x2(m-n)2+12m(m-n)+36m2

36a2-72a+3636a2-12a(m-n)+(m-n)2

x2-13x+42x2+3x-28

10x2+25x+15100-16b2

70a+10ab8abc+60b4c

8q(1+a)+4p(1+a)8(1+a)+m(1+a)

4-49y23x2-3y2

0.81x2-1(7x+3y)2-(x+9y)2

9-36b+36b2(a+b)2+8m(a+b)+16m2

36x2-24x+425a2+10a(x-y)+(x-y)2

x2-9x+14x2+3x-40

15x2-80x+10049-64n2

45a+80a20abc-90b3

8p(y+4)+28p(y+4)2(y+4)+m(y+4)

81-36x28x2-32y2

0.36a2-196(8x+3y)2-(8x+7y)2

81+180a+100a2(x-y)2-8m(x-y)+16m2

100n2+180n+8125a2-10a(x-y)+(x-y)2

x2-15x+54x2-1x-30

16x2-64x+6064-36b2

80a-20a14ab3c+50b

10p(9+b)-20q(9+b)6(9+b)-m(9+b)

100-49b264x2-36y2

81y2-16(x+6y)2-(x+y)2

1+14m+49m2(a+b)2+12m(a+b)+36m2

4a2+16a+1625a2+10a(x+y)+(x+y)2

x2-14x+45x2-2x-24

12x2-27x+61-100x2

60a3-50ab16a2bc-60b2

16p(y-5)+20p(y-5)8(y-5)+m(y-5)

16-25b227x2-48y2

4x2-64(x+y)2-(x+y)2

100+100a+25a2(x-y)2+6m(x-y)+9m2

25b2-60b+364a2+4a(x+y)+(x+y)2

x2-16x+64x2+7x-8

3x2+22x+35100-4b2

65a+50a2b12a3bc+80b

20q(5+b)+28p(5+b)2(5+b)+m(5+b)

4-81x232x2-18y2

81b2-289(x+5y)2-(2x+9y)2

16-32y+16y2(m+n)2+8m(m+n)+16m2

100x2-140x+4925a2-10a(x+y)+(x+y)2

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

5x2-22x+8100-100a2

80a-50a10a2b2c-70bc

10p(6+a)+36q(6+a)4(6+a)-m(6+a)

64-36a236x2-4y2

36m2-169(x+5y)2-(7x-8y)2

49-140y+100y2(x-y)2-4m(x-y)+4m2

4y2-32y+6425a2+10a(m-n)+(m-n)2

x2-10x+21x2-6x-40

10x2-23x+964-49a2

90a+80a316a3b2c+60b2

4q(x-2)+36p(x-2)4(x-2)+m(x-2)

1-64a218x2-2y2

36m2-100(x-y)2-(x+10y)2

1+10b+25b2(a+b)2+6m(a+b)+9m2

81x2+108x+369a2+6a(a-b)+(a-b)2

x2-10x+16x2+6x-40

10x2+17x+381-81y2

40a-50a14ab3c+70bc

12p(4+a)+32q(4+a)6(4+a)+m(4+a)

100-100x264x2-4y2

4m2-1(2x-2y)2-(5x+y)2

100-120a+36a2(x+y)2-6m(x+y)+9m2

81m2-126m+4916a2-8a(m+n)+(m+n)2

x2+11x+24x2-4x-12

20x2-46x+24100-64n2

80a4+10a38abc+70b2

2q(1-a)-28q(1-a)2(1-a)-m(1-a)

49-25a227x2-12y2

49y2-64(x-6y)2-(x+7y)2

9+30x+25x2(x+y)2-12m(x+y)+36m2

4a2-12a+925a2+10a(m+n)+(m+n)2

x2-10x+21x2+4x-45

4x2+39x+2781-25m2

25a4-30ab16a3bc-100bc

18p(7-b)+20q(7-b)8(7-b)-m(7-b)

100-4x264x2-36y2

36n2-64(3x-y)2-(9x-y)2

64-32n+4n2(m-n)2+10m(m-n)+25m2

100x2-140x+4936a2-12a(a+b)+(a+b)2

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

8x2+28x+2064-36m2

10a3-80a3b14a2b3c+100b3c

18p(y-4)+8q(y-4)6(y-4)+m(y-4)

36-4m2100x2-100y2

0.09m2-64(4x-3y)2-(x-y)2

81-72b+16b2(m+n)2+10m(m+n)+25m2

4n2+16n+1625a2+10a(a-b)+(a-b)2

x2+14x+48x2-5x-6

12x2-35x+1881-64b2

30a+60a4b14abc+70b

10p(3-a)-12p(3-a)8(3-a)-m(3-a)

25-100x212x2-3y2

36y2-36(3x+4y)2-(2x+7y)2

1+4a+4a2(a+b)2-12m(a+b)+36m2

25a2+10a+19a2+6a(x+y)+(x+y)2

x2-11x+24x2+2x-24

12x2-43x+1064-4a2

35a3-20a4b14a2bc+30b4c

20q(8-a)+16p(8-a)8(8-a)-m(8-a)

16-36a248x2-48y2

36n2-225(6x+y)2-(x-y)2

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