初中八年级数学上册因式分解练习题大全8.docx

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初中八年级数学上册因式分解练习题大全8.docx

初中八年级数学上册因式分解练习题大全8

16+48y+36y2(x+y)2-10m(x+y)+25m2

25x2-70x+499a2+6a(x-y)+(x-y)2

x2-12x+35x2-4x-21

6x2+33x+4525-36x2

25a-40a4a3b3c-100b

8p(3+a)-12q(3+a)4(3+a)-m(3+a)

36-81y227x2-3y2

0.04n2-361(7x+y)2-(3x-y)2

100+120x+36x2(m-n)2+10m(m-n)+25m2

16m2-48m+369a2+6a(m+n)+(m+n)2

x2+13x+36x2+5x-14

12x2+26x+1049-16m2

95a-10a420a4bc-30b3c

2p(8+a)+12q(8+a)4(8+a)-m(8+a)

100-4m264x2-4y2

64m2-36(x-4y)2-(4x+7y)2

16+24y+9y2(a-b)2+6m(a-b)+9m2

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

x2-8x+7x2+6x-16

4x2-18x+1425-64n2

70a3-60a6abc+70b4

16q(y-1)+8p(y-1)6(y-1)-m(y-1)

36-4n212x2-75y2

0.49n2-169(x-y)2-(x-10y)2

25-90n+81n2(a+b)2-6m(a+b)+9m2

9x2-54x+8125a2+10a(x+y)+(x+y)2

x2-14x+48x2-7x-8

4x2+12x+949-9x2

80a2+100a2abc+10b

4p(y+1)-16p(y+1)2(y+1)-m(y+1)

1-36x218x2-2y2

0.81y2-4(x+y)2-(9x-9y)2

49+42a+9a2(x+y)2+10m(x+y)+25m2

25y2+80y+6416a2+8a(x+y)+(x+y)2

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

15x2+45x+3016-25m2

15a-80a2a4b2c+100b4

10p(7-b)-28q(7-b)8(7-b)-m(7-b)

1-36a2100x2-4y2

36b2-196(6x-y)2-(4x+9y)2

9-54m+81m2(a-b)2-6m(a-b)+9m2

49y2+56y+169a2+6a(x+y)+(x+y)2

x2-13x+42x2+7x-8

12x2-32x+164-64n2

50a-80ab20a3bc-100b2

18q(y-8)+32p(y-8)6(y-8)-m(y-8)

1-16a28x2-2y2

25b2-36(x+y)2-(x-y)2

16+48m+36m2(a+b)2+4m(a+b)+4m2

9x2-18x+925a2+10a(m+n)+(m+n)2

x2-10x+9x2-4x-12

16x2-32x+736-16a2

55a-30a8a4b3c-10b

18p(y-1)+12q(y-1)2(y-1)-m(y-1)

64-36a28x2-18y2

0.16a2-100(4x+y)2-(x+10y)2

9+36b+36b2(m-n)2-12m(m-n)+36m2

16a2-64a+644a2+4a(x+y)+(x+y)2

x2+8x+15x2+6x-40

4x2-32x+634-49m2

35a-80a8ab2c-60b4c

10q(9+b)+20q(9+b)2(9+b)-m(9+b)

9-64m24x2-4y2

0.09x2-49(3x-4y)2-(7x+8y)2

4+40a+100a2(x-y)2+8m(x-y)+16m2

25n2+30n+94a2+4a(x+y)+(x+y)2

x2-10x+21x2+4x-32

16x2+52x+4064-9n2

80a2-60ab6a2bc+60bc

8p(2-a)-20p(2-a)2(2-a)-m(2-a)

16-64x212x2-27y2

0.81a2-144(9x-y)2-(x+9y)2

64+112y+49y2(a+b)2+12m(a+b)+36m2

25a2-100a+1004a2+4a(x+y)+(x+y)2

x2-9x+20x2+4x-45

8x2+36x+4016-4n2

95a-10a316abc-70b3

10p(x-7)+20p(x-7)4(x-7)+m(x-7)

100-9x22x2-2y2

49x2-25(8x+3y)2-(9x+10y)2

100+200n+100n2(x+y)2+10m(x+y)+25m2

25x2+10x+116a2-8a(m-n)+(m-n)2

x2+16x+63x2-1x-30

9x2-45x+549-100n2

50a2-100a418ab2c+30b2

6q(x+3)+8p(x+3)6(x+3)+m(x+3)

16-100n2100x2-36y2

25a2-121(x-5y)2-(8x+y)2

49+98x+49x2(x+y)2+8m(x+y)+16m2

25a2-70a+499a2-6a(m+n)+(m+n)2

x2-9x+18x2-3x-28

12x2+31x+2025-16m2

25a4+40a418ab2c+80b4

18p(x-8)-28q(x-8)8(x-8)+m(x-8)

16-100x24x2-64y2

0.64x2-64(4x+y)2-(6x-y)2

16-64n+64n2(m-n)2+8m(m-n)+16m2

36x2+60x+254a2+4a(x+y)+(x+y)2

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

8x2-24x+1064-100m2

80a2-10a4b10a3b2c-40b4c

14q(y-2)+40p(y-2)6(y-2)-m(y-2)

1-36y28x2-50y2

0.81m2-16(x+3y)2-(2x-7y)2

100-40x+4x2(m-n)2+10m(m-n)+25m2

81y2-126y+499a2+6a(m-n)+(m-n)2

x2-11x+24x2+5x-36

8x2+6x+11-81y2

100a4+20a38a2bc-50b

16q(9-a)+36p(9-a)2(9-a)+m(9-a)

9-64x216x2-64y2

4y2-4(7x+5y)2-(8x+7y)2

81-144y+64y2(a-b)2+12m(a-b)+36m2

49b2-98b+4936a2-12a(a+b)+(a+b)2

x2-14x+49x2-6x-40

3x2+6x+34-64b2

30a3-80a6ab2c+20b4c

8p(1-a)-32q(1-a)6(1-a)-m(1-a)

100-36n23x2-27y2

0.64x2-400(9x+5y)2-(x-y)2

4+24x+36x2(m+n)2-6m(m+n)+9m2

4y2-16y+1625a2-10a(a+b)+(a+b)2

x2+12x+35x2-7x-18

6x2+40x+6449-25b2

30a+80ab6a4b3c-60bc

8q(3+b)-40p(3+b)4(3+b)-m(3+b)

49-64n23x2-3y2

0.64m2-144(x+6y)2-(x+7y)2

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

9x2+30x+259a2+6a(a+b)+(a+b)2

x2-11x+30x2+5x-14

12x2+55x+6325-25a2

10a+90ab14a2bc-50b4c

18q(x+5)-12q(x+5)8(x+5)-m(x+5)

100-100b24x2-100y2

0.16n2-169(x-y)2-(2x-8y)2

81+180a+100a2(m+n)2-6m(m+n)+9m2

36n2+24n+436a2-12a(a+b)+(a+b)2

x2+14x+45x2-2x-35

9x2-30x+1664-4m2

65a3+20a18ab3c+70bc

20p(y-5)+32p(y-5)8(y-5)-m(y-5)

16-49x2100x2-16y2

0.04m2-225(x-5y)2-(8x+10y)2

81-144n+64n2(x+y)2-6m(x+y)+9m2

16x2-56x+4936a2+12a(a-b)+(a-b)2

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

8x2+16x+881-9x2

75a+70a6ab3c-100b2c

4q(7+a)-8q(7+a)8(7+a)+m(7+a)

9-4b23x2-12y2

0.25m2-64(3x-3y)2-(x+y)2

49-112y+64y2(x+y)2-8m(x+y)+16m2

16x2+80x+1009a2+6a(x-y)+(x-y)2

x2+13x+36x2-7x-8

10x2+23x+1216-49a2

80a+10ab18a4bc-50bc

8p(y+5)-40p(y+5)6(y+5)+m(y+5)

9-4y212x2-75y2

0.81a2-81(x-5y)2-(4x+10y)2

36+108a+81a2(m-n)2+6m(m-n)+9m2

36n2-60n+2516a2-8a(m-n)+(m-n)2

x2+9x+20x2+6x-27

3x2+18x+2481-64a2

20a3-40a410a4b3c+40b3

8p(y-3)+32p(y-3)2(y-3)-m(y-3)

4-4b236x2-100y2

81b2-64(2x-y)2-(7x-10y)2

9+54n+81n2(m+n)2-12m(m+n)+36m2

100b2+60b+94a2+4a(a-b)+(a-b)2

x2+6x+8x2+3x-18

12x2+34x+2449-25m2

20a-20a310a2b3c+20b3

4p(6-a)+28p(6-a)4(6-a)+m(6-a)

100-9y2100x2-36y2

81b2-1(x+y)2-(5x-9y)2

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

16a2-72a+8125a2-10a(x+y)+(x+y)2

x2-7x+10x2-5x-50

6x2-10x+41-9b2

45a-60ab16a3b3c+90b

20p(y+8)-40q(y+8)6(y+8)-m(y+8)

25-25m23x2-75y2

0.64m2-16(9x+y)2-(x+y)2

49-28b+4b2(m+n)2-4m(m+n)+4m2

4x2+28x+4916a2+8a(x+y)+(x+y)2

x2+5x+6x2-5x-24

5x2+18x+169-25b2

75a4-70ab14abc-30b2c

20q(9+a)+24q(9+a)8(9+a)+m(9+a)

100-81m275x2-48y2

64a2-196(3x-y)2-(3x-9y)2

4-12x+9x2(a-b)2-4m(a-b)+4m2

36y2+120y+1004a2-4a(x+y)+(x+y)2

x2+5x+4x2-5x-24

12x2-67x+904-49a2

5a-20ab16ab3c-50b4

4p(x-7)+28p(x-7)8(x-7)+m(x-7)

9-16m248x2-3y2

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

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

81x2-72x+1636a2+12a(m-n)+(m-n)2

x2-8x+15x2+4x-21

5x2-29x+361-100n2

65a3-60a310a4bc+100b2c

4q(x-5)+24q(x-5)2(x-5)+m(x-5)

100-16a24x2-64y2

25y2-16(x+y)2-(x-y)2

4+8m+4m2(m+n)2+12m(m+n)+36m2

4a2+36a+814a2+4a(m-n)+(m-n)2

x2-14x+49x2+3x-40

4x2+30x+5449-64x2

35a+90a4b12abc-80b3

2p(9+a)+40p(9+a)4(9+a)-m(9+a)

49-64y236x2-100y2

64m2-1(9x+y)2-(x+y)2

25-90n+81n2(x+y)2+4m(x+y)+4m2

49y2+42y+916a2+8a(x+y)+(x+y)2

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

4x2+36x+8181-4b2

15a4+10a26a3b2c-30b3

8p(y-1)-4p(y-1)6(y-1)+m(y-1)

100-16m216x2-64y2

16m2-36(x+5y)2-(5x-10y)2

4+36a+81a2(m-n)2-10m(m-n)+25m2

49x2+112x+6436a2-12a(a-b)+(a-b)2

x2+4x+3x2+2x-35

6x2-34x+4836-49a2

10a-90a4b18a3bc+80bc

2p(6-a)-28p(6-a)2(6-a)-m(6-a)

49-9n227x2-75y2

36y2-256(x-3y)2-(x+y)2

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

36b2-96b+6436a2-12a(m-n)+(m-n)2

x2+8x+16x2+4x-21

16x2+32x+1225-36a2

15a2+100a2b4a3b3c+100b

20p(3-b)+20p(3-b)8(3-b)-m(3-b)

100-25m250x2-18y2

25b2-289(5x-2y)2-(x-9y)2

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

100y2-200y+10036a2+12a(m-n)+(m-n)2

x2+8x+12x2-4x-21

9x2+21x+61-36m2

80a+60a2b6abc+90b2c

18p(5-b)-24q(5-b)8(5-b)+m(5-b)

100-16x250x2-8y2

0.09b2-100(x-y)2-(2x+y)2

16+48x+36x2(a+b)2+12m(a+b)+36m2

4x2-16x+164a2-4a(a-b)+(a-b)2

x2+8x+7x2+5x-24

6x2+19x+1081-49a2

95a-100a414abc-30bc

20q(x+7)-20q(x+7)2(x+7)+m(x+7)

25-4x212x2-27y2

4n2-100(x+2y)2-(x+10y)2

64+144n+81n2(a-b)2-8m(a-b)+16m2

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

x2+8x+7x2-3x-18

9x2-15x+6100-16n2

15a2+20a26a2b2c-80b

8p(5-a)+8p(5-a)8(5-a)-m(5-a)

16-49a275x2-75y2

0.25n2-225(5x-4y)2-(7x-7y)2

36-108x+81x2(x-y)2+8m(x-y)+16m2

25a2+100a+1009a2-6a(m+n)+(m+n)2

x2+7x+12x2-5x-14

6x2-23x+20100-100a2

75a4+70ab8a3b2c-30b

10q(5-b)+36p(5-b)4(5-b)-m(5-b)

81-49n232x2-18y2

0.36y2-25(x-6y)2-(x+y)2

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

4n2-8n+436a2-12a(a+b)+(a+b)2

x2+12x+36x2+4x-12

10x2-47x+4249-25y2

100a+10a310a3b3c-20b4

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

25-9x23x2-3y2

0.16y2-9(4x+y)2-(x-y)2

4+24n+36n2(a+b)2+4m(a+b)+4m2

4a2+20a+2516a2+8a(x-y)+(x-y)2

x2-6x+5x2+8x-9

20x2-49x+936-81n2

95a+30ab18a2bc-50b

2p(7-b)-12p(7-b)8(7-b)-m(7-b)

25-16n22x2-32y2

0.16x2-36(x-y)2-(3x-y)2

16+40a+25a2(m-n)2-4m(m-n)+4m2

49m2-140m+1004a2-4a(a+b)+(a+b)2

x2+3x+2x2+2x-35

6x2-38x+404-100n2

10a+60a3b4abc-100bc

2p(x-1)+8q(x-1)6(x-1)-m(x-1)

100-49n250x2-32y2

81m2-16(6x-y)2-(x+y)2

16+24n+9n2(a+b)2-4m(a+b)+4m2

81n2-180n+10036a2-12a(a+b)+(a+b)2

x2-8x+16x2-5x-50

20x2+48x+2825-4b2

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