初二数学上册因式分解练习题大全44.docx

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初二数学上册因式分解练习题大全44.docx

初二数学上册因式分解练习题大全44

4+28x+49x2(x-y)2-12m(x-y)+36m2

4x2+36x+8136a2+12a(m+n)+(m+n)2

x2-11x+30x2-2x-35

8x2+30x+2536-100n2

70a-30a2b20a3b2c+30b2c

2q(x+3)+16p(x+3)4(x+3)+m(x+3)

4-100n23x2-3y2

0.25m2-4(x+4y)2-(x-y)2

4+28m+49m2(m+n)2+6m(m+n)+9m2

49x2-70x+2525a2-10a(a-b)+(a-b)2

x2-12x+35x2-6x-40

8x2+16x+836-64y2

95a-40a4b20abc+50b

4q(5+b)+8q(5+b)2(5+b)-m(5+b)

1-81n264x2-16y2

0.09a2-289(x+y)2-(3x+y)2

100-60b+9b2(m-n)2-6m(m-n)+9m2

81n2-126n+494a2-4a(x+y)+(x+y)2

x2-9x+18x2-5x-36

12x2+50x+4825-9a2

95a-30a18a4bc+80b4

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

4-100b216x2-36y2

4n2-100(x-y)2-(7x-y)2

9-18b+9b2(x+y)2+4m(x+y)+4m2

36a2+48a+1636a2-12a(m-n)+(m-n)2

x2+16x+64x2-8x-20

8x2+58x+9049-100a2

65a+70a20ab2c-70bc

18q(y+7)+40p(y+7)2(y+7)+m(y+7)

100-81n227x2-75y2

0.09m2-1(2x+3y)2-(2x+10y)2

9-18a+9a2(m+n)2+6m(m+n)+9m2

16m2+48m+3636a2+12a(a+b)+(a+b)2

x2-12x+36x2+7x-8

8x2+14x+625-4b2

45a+10a16abc-10b4c

18q(7+b)+20p(7+b)6(7+b)-m(7+b)

9-25m248x2-75y2

16x2-256(x+5y)2-(x-y)2

16-80m+100m2(x+y)2-6m(x+y)+9m2

100a2+140a+4916a2+8a(m-n)+(m-n)2

x2+12x+35x2+6x-16

9x2+30x+2464-36y2

65a3+10a4b8abc-20bc

14q(x+6)-24q(x+6)2(x+6)+m(x+6)

4-49b264x2-36y2

0.64a2-1(x+2y)2-(x-y)2

4-28m+49m2(m+n)2+10m(m+n)+25m2

25a2+90a+819a2-6a(m+n)+(m+n)2

x2+11x+30x2+5x-24

20x2-56x+364-4a2

100a-70a4a4b3c-100b2

14p(5-a)+4p(5-a)6(5-a)+m(5-a)

49-49m264x2-36y2

0.04n2-9(x+y)2-(7x+y)2

64-144m+81m2(m+n)2+4m(m+n)+4m2

9y2-36y+3625a2-10a(a+b)+(a+b)2

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

10x2-28x+1681-4a2

70a3+100a18a4bc+80bc

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

16-49x2100x2-100y2

0.81m2-361(6x+y)2-(9x+y)2

81-180y+100y2(a+b)2-4m(a+b)+4m2

4b2+28b+4936a2+12a(a-b)+(a-b)2

x2+4x+4x2+5x-50

9x2+24x+7100-16a2

40a4-90a14a3b2c+90b

2q(6-a)+32q(6-a)2(6-a)+m(6-a)

49-4b275x2-12y2

25x2-81(6x+y)2-(2x-10y)2

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

36b2-120b+10036a2-12a(a-b)+(a-b)2

x2+7x+12x2+2x-24

8x2+28x+20100-25y2

40a+60ab18a3b2c-20b3c

20q(x+3)+12q(x+3)2(x+3)+m(x+3)

1-25m28x2-18y2

0.36x2-225(x+y)2-(7x+y)2

9+18y+9y2(m-n)2-4m(m-n)+4m2

25m2-70m+4925a2-10a(x+y)+(x+y)2

x2-8x+15x2-4x-32

9x2+27x+81-81a2

10a+20a3b14ab2c-30bc

20p(x+3)+32q(x+3)8(x+3)-m(x+3)

9-36y212x2-3y2

4a2-400(x-y)2-(x+y)2

49-112n+64n2(x-y)2-8m(x-y)+16m2

81a2+54a+94a2-4a(m+n)+(m+n)2

x2+10x+24x2+4x-21

6x2-44x+80100-9b2

95a2-20a318a2bc-100b3

4p(5-b)+28q(5-b)4(5-b)-m(5-b)

81-49x250x2-32y2

0.81b2-121(5x+y)2-(x-y)2

36+84b+49b2(x+y)2-4m(x+y)+4m2

100x2-80x+164a2-4a(m-n)+(m-n)2

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

4x2-24x+271-64x2

40a-70a218abc-30bc

2q(2-b)+24p(2-b)6(2-b)-m(2-b)

1-16y218x2-2y2

64x2-121(x+y)2-(x-9y)2

9-30a+25a2(m-n)2-12m(m-n)+36m2

49x2-28x+416a2+8a(m-n)+(m-n)2

x2-14x+48x2+6x-7

2x2+9x+916-25m2

90a+60a3b18abc-40b

14p(8+a)-4q(8+a)6(8+a)+m(8+a)

64-49n216x2-16y2

49x2-144(3x+5y)2-(2x+y)2

4+12a+9a2(x-y)2+8m(x-y)+16m2

36a2-96a+6436a2+12a(x+y)+(x+y)2

x2-7x+10x2-5x-6

9x2-30x+949-25b2

25a3-30a10abc-60b3

20q(x-8)-32q(x-8)4(x-8)-m(x-8)

36-16n264x2-16y2

16x2-81(x+y)2-(x-y)2

16+80y+100y2(x-y)2+10m(x-y)+25m2

64m2-80m+2536a2+12a(x-y)+(x-y)2

x2-16x+63x2-7x-18

3x2-29x+5681-9n2

10a3+30ab12a3bc-10b4

4p(4-b)-20q(4-b)6(4-b)-m(4-b)

9-64y212x2-27y2

0.09x2-121(5x-y)2-(x-y)2

81-54b+9b2(a-b)2+8m(a-b)+16m2

100x2+80x+164a2-4a(x-y)+(x-y)2

x2-16x+63x2-9x-10

8x2-36x+4081-36x2

70a3+20a8a4b3c+60bc

14q(6-b)-28p(6-b)6(6-b)-m(6-b)

81-9x2100x2-64y2

0.36y2-144(5x+3y)2-(5x-10y)2

16-80b+100b2(x+y)2-6m(x+y)+9m2

4a2-36a+8125a2-10a(x+y)+(x+y)2

x2+9x+20x2-8x-9

2x2-22x+5681-16y2

35a+40ab2a2b3c-50b4c

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

9-4b227x2-3y2

0.16b2-1(3x-y)2-(2x+9y)2

36+120y+100y2(a+b)2+12m(a+b)+36m2

4a2-20a+2525a2+10a(m+n)+(m+n)2

x2+12x+35x2-3x-18

4x2-10x+449-9m2

5a+30a4a3b2c+50b

4q(x-2)-20p(x-2)6(x-2)-m(x-2)

16-36y216x2-4y2

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

1-4n+4n2(a-b)2+10m(a-b)+25m2

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

x2+17x+72x2+3x-28

16x2-68x+7064-16a2

25a3+30a6abc+80bc

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

25-81x22x2-50y2

81y2-49(9x+2y)2-(x-y)2

16+24a+9a2(m+n)2-12m(m+n)+36m2

25y2+40y+1625a2-10a(m+n)+(m+n)2

x2-14x+45x2-8x-20

4x2+22x+2464-81m2

35a+10ab10a3b2c-40bc

10p(5-b)+4p(5-b)4(5-b)+m(5-b)

36-4y250x2-8y2

4n2-121(4x+5y)2-(x+7y)2

49-56n+16n2(x+y)2+10m(x+y)+25m2

81m2-126m+494a2-4a(a-b)+(a-b)2

x2-15x+54x2+5x-50

5x2+7x+21-4a2

35a2-70ab20ab2c+70b

6p(y+4)+32p(y+4)4(y+4)+m(y+4)

25-36y216x2-4y2

9y2-400(x+y)2-(x+8y)2

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

16m2-8m+136a2+12a(a-b)+(a-b)2

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

6x2+21x+916-4m2

10a+90ab6a4b2c+60b4c

20p(x+9)+40q(x+9)2(x+9)+m(x+9)

49-100y24x2-36y2

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

49+42n+9n2(a-b)2-10m(a-b)+25m2

64x2+128x+644a2-4a(x-y)+(x-y)2

x2-10x+25x2-6x-40

6x2-41x+709-4n2

35a-90a320a4bc+50b

12p(x-6)-32q(x-6)6(x-6)+m(x-6)

16-81b275x2-27y2

49a2-324(x+y)2-(x+7y)2

16-16b+4b2(m+n)2-8m(m+n)+16m2

4n2-16n+169a2+6a(a+b)+(a+b)2

x2-13x+42x2-7x-18

8x2-34x+3036-9b2

45a2+20a22abc+80b4

18p(8+b)-4q(8+b)2(8+b)+m(8+b)

64-25x216x2-4y2

0.36b2-49(x-2y)2-(x-y)2

1+10b+25b2(x-y)2-12m(x-y)+36m2

9m2-30m+2536a2-12a(m+n)+(m+n)2

x2-16x+63x2-4x-21

6x2-36x+484-4a2

55a3+10a4abc-100b2

14q(x-7)-32q(x-7)8(x-7)+m(x-7)

9-25x248x2-75y2

9a2-225(3x-3y)2-(9x-y)2

36+48a+16a2(x+y)2-4m(x+y)+4m2

81b2-144b+644a2+4a(x+y)+(x+y)2

x2+7x+10x2+4x-12

3x2-24x+211-100b2

20a+50a2b10ab3c-40bc

18q(x-5)-12p(x-5)2(x-5)-m(x-5)

64-36a236x2-36y2

64n2-361(x+5y)2-(9x+9y)2

25+90y+81y2(a+b)2+8m(a+b)+16m2

16n2+32n+1616a2+8a(a-b)+(a-b)2

x2+5x+4x2+1x-30

6x2-43x+7216-4m2

100a+40a12ab3c+40b4c

8p(x-5)+4p(x-5)4(x-5)+m(x-5)

81-36a212x2-48y2

0.16n2-400(x-y)2-(9x-y)2

4-16y+16y2(m+n)2+10m(m+n)+25m2

49x2+56x+164a2+4a(x-y)+(x-y)2

x2-10x+24x2-4x-21

10x2+38x+2436-16m2

45a-30a3b8abc+60b

4q(3+a)-20q(3+a)8(3+a)-m(3+a)

9-16m248x2-3y2

4m2-49(x+y)2-(x-y)2

16+32y+16y2(m+n)2+6m(m+n)+9m2

100a2+160a+649a2+6a(x+y)+(x+y)2

x2+11x+24x2-6x-40

2x2-24x+401-4m2

95a2-20a318a3bc+70bc

2q(y-5)+4q(y-5)8(y-5)-m(y-5)

9-64a2100x2-36y2

64m2-4(9x+3y)2-(5x-y)2

16+56y+49y2(x+y)2+6m(x+y)+9m2

49b2-84b+3625a2+10a(x-y)+(x-y)2

x2-12x+27x2+8x-20

9x2+30x+1636-16m2

55a2-90a6ab3c+90b

4q(7-a)-40q(7-a)2(7-a)-m(7-a)

9-25b236x2-4y2

0.36x2-361(8x+y)2-(x+y)2

100-80y+16y2(x+y)2+12m(x+y)+36m2

81y2+108y+3636a2-12a(a-b)+(a-b)2

x2+17x+72x2-3x-18

6x2-20x+664-25x2

90a4+40a16a2b2c-80b3c

6p(x+8)+36q(x+8)8(x+8)+m(x+8)

100-100m2100x2-100y2

0.36x2-196(7x+y)2-(2x+y)2

36-48m+16m2(m+n)2+10m(m+n)+25m2

9a2+42a+499a2+6a(a+b)+(a+b)2

x2-10x+16x2-5x-36

2x2+13x+664-81b2

85a2+20a16ab3c-90b2c

2q(8-b)-32p(8-b)8(8-b)+m(8-b)

36-4y216x2-64y2

0.16n2-25(x+6y)2-(x-7y)2

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

9y2-36y+364a2+4a(m+n)+(m+n)2

x2+14x+49x2+4x-12

8x2+52x+6016-25x2

60a+100a2b10ab2c-50b

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

64-64n28x2-8y2

0.49a2-256(x+y)2-(4x+y)2

1-14a+49a2(x+y)2-8m(x+y)+16m2

100b2+60b+99a2-6a(a+b)+(a+b)2

x2-4x+4x2-4x-21

5x2+27x+2881-81m2

40a+70a20a4bc+10b

2p(9-a)-40p(9-a)2(9-a)+m(9-a)

25-36a23x2-3y2

16x2-1(3x-y)2-(x-9y)2

81+54m+9m2(x+y)2-12m(x+y)+36m2

100a2-180a+8116a2-8a(m-n)+(m-n)2

x2-14x+45x2-3x-18

12x2-23x+101-25m2

45a3-70a4b8a4b3c+50b3c

2q(x-7)-12q(x-7)2(x-7)-m(x-7)

100-16a24x2-100y2

49a2-256(x+y)2-(x-10y)2

1+20b+100b2(x+y)2-8m(x+y)+16m2

100m2+180m+819a2+6a(a-b)+(a-b)2

x2-9x+18x2-6x-16

5x2-24x+2764-49x2

65a-80ab12ab3c-90b3c

20q(x+6)-36q(x+6)2(x+6)+m(x+6)

1-36n216x2-16y2

0.81b2-9(x-y)2-(2x-10y)2

36+36x+9x2(x+y)2+6m(x+y)+9m2

36x2-84x+499a2-6a(a-b)+(a-b)2

x2+9x+20x2-2x-35

6x2-19x+1036-100x2

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