初中八年级数学上册因式分解练习题大全6.docx

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初中八年级数学上册因式分解练习题大全6.docx

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初中八年级数学上册因式分解练习题大全6.docx

初中八年级数学上册因式分解练习题大全6

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

100x2-160x+649a2-6a(a+b)+(a+b)2

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

6x2+23x+2125-64b2

50a4-30a8a2bc+30b2

16p(x+5)-20p(x+5)6(x+5)+m(x+5)

64-16n216x2-4y2

0.09m2-256(x+y)2-(5x+y)2

4+32m+64m2(a-b)2+8m(a-b)+16m2

9x2-12x+436a2-12a(x-y)+(x-y)2

x2+9x+14x2-4x-45

8x2+56x+804-100y2

40a2-80ab4a3b2c+90b

14q(x+8)+16p(x+8)4(x+8)+m(x+8)

100-49n22x2-50y2

16m2-4(9x-y)2-(x-y)2

64+64a+16a2(m+n)2-6m(m+n)+9m2

81m2+36m+416a2+8a(m-n)+(m-n)2

x2-10x+9x2-3x-40

3x2-32x+201-100n2

45a+90a46ab2c+90bc

20p(x+9)-4p(x+9)2(x+9)+m(x+9)

100-9n264x2-16y2

0.25y2-100(x+6y)2-(8x-y)2

81+180a+100a2(x-y)2+4m(x-y)+4m2

25b2-50b+2536a2+12a(x+y)+(x+y)2

x2+5x+6x2-4x-32

4x2+8x+436-81n2

30a-80ab8ab2c+50b3c

14p(x+2)-24q(x+2)4(x+2)-m(x+2)

4-81b23x2-12y2

16a2-121(7x-3y)2-(x+y)2

4+8y+4y2(x+y)2-4m(x+y)+4m2

36m2+24m+425a2+10a(x-y)+(x-y)2

x2-10x+25x2+7x-8

4x2+18x+1864-81y2

80a3-80ab10a3bc+100b

12p(9+a)-24q(9+a)4(9+a)-m(9+a)

4-64x248x2-12y2

0.64a2-36(5x+y)2-(x-y)2

16-40n+25n2(a+b)2-12m(a+b)+36m2

36b2-24b+49a2-6a(x-y)+(x-y)2

x2+4x+3x2+5x-36

6x2-38x+609-36n2

55a-50a4b2ab3c+40b2c

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

4-64m22x2-18y2

16n2-400(3x-y)2-(x-y)2

4+24x+36x2(a+b)2+6m(a+b)+9m2

9a2+48a+6425a2+10a(m-n)+(m-n)2

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

6x2+19x+1516-25n2

25a-50a4b18ab2c-100b2c

6q(x-2)-28p(x-2)2(x-2)-m(x-2)

4-16m216x2-4y2

0.36m2-16(x-3y)2-(2x+y)2

16+16y+4y2(m+n)2+6m(m+n)+9m2

25y2+10y+136a2-12a(x+y)+(x+y)2

x2+11x+28x2+4x-21

8x2-14x+581-9m2

35a+20a316a4bc+10b

12p(y+8)+36p(y+8)8(y+8)+m(y+8)

9-64x216x2-100y2

25b2-121(3x+4y)2-(x+9y)2

100-180b+81b2(a-b)2+6m(a-b)+9m2

49y2+28y+44a2+4a(a-b)+(a-b)2

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

5x2+19x+1249-36a2

35a3-30a34a2b2c-90b2c

18q(9-a)-40q(9-a)4(9-a)-m(9-a)

9-16b236x2-64y2

0.16b2-4(9x-y)2-(x+8y)2

36+108a+81a2(a-b)2-10m(a-b)+25m2

16a2+56a+4925a2-10a(x+y)+(x+y)2

x2-12x+27x2-5x-6

12x2+48x+4849-9x2

5a+40a3b6ab2c+80b

8p(y+3)+4p(y+3)6(y+3)+m(y+3)

36-25n227x2-12y2

0.64n2-196(9x+y)2-(3x+10y)2

64-48n+9n2(a+b)2+8m(a+b)+16m2

49b2-84b+369a2-6a(a-b)+(a-b)2

x2+11x+28x2-6x-40

6x2-31x+40100-9n2

35a4-30ab10abc-80b

20p(9+a)-32p(9+a)8(9+a)-m(9+a)

36-81m248x2-3y2

0.64b2-400(6x+3y)2-(5x+y)2

25-70b+49b2(a+b)2-6m(a+b)+9m2

81b2-162b+814a2-4a(x-y)+(x-y)2

x2+13x+36x2-6x-40

9x2+27x+1464-64x2

90a+90a214a3b2c+40b2

18p(4+a)+28q(4+a)2(4+a)-m(4+a)

81-49b216x2-64y2

9y2-81(6x-y)2-(x-y)2

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

36y2+12y+125a2+10a(m+n)+(m+n)2

x2+11x+18x2-5x-24

6x2-25x+2564-9y2

60a+30a3b14a4bc-50b2c

18p(y+3)-8q(y+3)8(y+3)+m(y+3)

81-16x212x2-75y2

4b2-25(x+y)2-(3x+y)2

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

25y2-100y+10025a2-10a(x-y)+(x-y)2

x2-9x+18x2-4x-45

3x2-18x+1581-4a2

60a2+30a2b6ab3c-70b3

4q(x+9)-16p(x+9)2(x+9)+m(x+9)

64-81n227x2-12y2

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

1-10y+25y2(x+y)2-4m(x+y)+4m2

36b2+72b+364a2-4a(m+n)+(m+n)2

x2+18x+81x2+8x-9

4x2-34x+42100-16a2

20a4-70a2b14a4bc-60b

8p(y-3)-36q(y-3)4(y-3)+m(y-3)

100-81b28x2-50y2

0.81a2-25(x-y)2-(5x-y)2

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

25b2-10b+19a2+6a(a-b)+(a-b)2

x2-12x+35x2+8x-9

2x2-27x+7025-81x2

20a3+90a3b20a2bc-60bc

12p(9-a)+36p(9-a)2(9-a)+m(9-a)

36-64y218x2-50y2

25y2-121(2x+y)2-(x-y)2

9+24b+16b2(x+y)2-12m(x+y)+36m2

81b2+126b+4936a2+12a(x+y)+(x+y)2

x2+13x+40x2-5x-24

15x2-16x+425-49a2

100a-100a28ab3c-10b4

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

49-25n218x2-50y2

0.36a2-100(8x+3y)2-(x-10y)2

100+100x+25x2(m+n)2-12m(m+n)+36m2

36y2+48y+169a2+6a(x-y)+(x-y)2

x2-11x+24x2-2x-35

16x2+40x+2464-49b2

55a3-50a38a4b2c+100b2

18q(5-b)-20p(5-b)6(5-b)+m(5-b)

9-4a250x2-18y2

0.81y2-16(4x-y)2-(x+8y)2

36+24b+4b2(x-y)2-6m(x-y)+9m2

49n2-56n+1616a2+8a(x-y)+(x-y)2

x2-14x+48x2-8x-20

20x2+51x+2781-64n2

40a+60a310ab3c-40bc

14q(2+a)-20p(2+a)4(2+a)+m(2+a)

25-81a216x2-4y2

0.04x2-64(x+3y)2-(8x+y)2

4+36b+81b2(a-b)2-4m(a-b)+4m2

16b2-24b+94a2+4a(x+y)+(x+y)2

x2+9x+8x2-6x-7

8x2+26x+2181-9a2

75a+40ab2a2bc-50bc

16p(8+b)+32p(8+b)6(8+b)-m(8+b)

81-81m23x2-12y2

0.64n2-361(x-5y)2-(x+8y)2

25+50x+25x2(m+n)2-4m(m+n)+4m2

4y2-4y+14a2-4a(a-b)+(a-b)2

x2+12x+27x2+6x-40

4x2+24x+32100-64b2

45a+10a312abc+90b3c

4q(x-1)-40p(x-1)8(x-1)+m(x-1)

4-4y22x2-18y2

64y2-9(8x-2y)2-(x+y)2

4+28n+49n2(m+n)2-10m(m+n)+25m2

25x2-100x+10025a2+10a(a+b)+(a+b)2

x2-11x+28x2+8x-9

2x2-19x+359-4a2

35a2+100a10ab2c-80bc

6p(y-8)+12p(y-8)8(y-8)+m(y-8)

9-81a212x2-27y2

49b2-25(3x+6y)2-(x-8y)2

9-12y+4y2(x+y)2+10m(x+y)+25m2

64n2-16n+19a2-6a(a-b)+(a-b)2

x2+7x+12x2-5x-6

3x2-14x+849-9n2

40a3+30a2b6a2bc-90b4c

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

100-36x24x2-36y2

81a2-225(x-2y)2-(7x+y)2

36+72b+36b2(m+n)2+6m(m+n)+9m2

9x2+24x+1616a2+8a(m+n)+(m+n)2

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

15x2+62x+4049-49n2

50a3-40a2b20a2b3c+10b3c

2p(x-9)+32q(x-9)2(x-9)-m(x-9)

1-64y248x2-3y2

0.09a2-225(9x+2y)2-(4x+y)2

36-120m+100m2(x-y)2+4m(x-y)+4m2

100y2+40y+436a2+12a(a+b)+(a+b)2

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

4x2+26x+1264-25b2

5a3-80a18ab2c+50b

14p(x-8)-8q(x-8)4(x-8)+m(x-8)

36-100b250x2-2y2

0.25m2-4(x+3y)2-(2x+10y)2

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

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

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

8x2-44x+2025-36a2

70a4-10a3b14a2b2c+40b4c

10q(3-a)-40p(3-a)2(3-a)+m(3-a)

1-64a216x2-64y2

25b2-16(x+y)2-(x+y)2

16+16x+4x2(m+n)2-4m(m+n)+4m2

4x2+12x+916a2+8a(a-b)+(a-b)2

x2+7x+10x2-6x-40

16x2+44x+284-81x2

90a-10a2b18a4b3c-80b4

14q(x-1)-20p(x-1)2(x-1)-m(x-1)

100-36a22x2-50y2

0.16a2-225(9x-4y)2-(5x+y)2

36+24a+4a2(x-y)2-6m(x-y)+9m2

9y2+60y+10036a2+12a(x-y)+(x-y)2

x2+8x+12x2-5x-50

2x2+17x+2164-64m2

20a+60a6abc+100b2c

10p(x+6)+12p(x+6)6(x+6)+m(x+6)

81-9b22x2-8y2

0.49x2-9(8x-5y)2-(x-y)2

16+56b+49b2(x+y)2-12m(x+y)+36m2

100m2+120m+369a2-6a(m-n)+(m-n)2

x2+13x+40x2+5x-14

15x2+65x+501-9m2

85a-60a312a3bc+50b3c

10q(3+b)+20q(3+b)8(3+b)+m(3+b)

4-25n264x2-36y2

64y2-81(3x-y)2-(x-10y)2

25-80x+64x2(a-b)2+12m(a-b)+36m2

81a2-126a+499a2-6a(a+b)+(a+b)2

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

20x2-30x+1025-4a2

55a+10ab6a4bc-20bc

18p(y-9)-12p(y-9)4(y-9)-m(y-9)

4-100n24x2-4y2

16m2-81(6x-3y)2-(6x-9y)2

49-70y+25y2(m+n)2+6m(m+n)+9m2

4b2+40b+1004a2-4a(m+n)+(m+n)2

x2-16x+64x2-3x-28

6x2+21x+1525-36a2

45a-80a12abc+30b2

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

1-25y24x2-4y2

0.25a2-4(3x-y)2-(x+10y)2

16+40a+25a2(a-b)2+6m(a-b)+9m2

81b2-180b+10025a2+10a(m-n)+(m-n)2

x2-11x+18x2+1x-30

5x2-30x+404-49x2

80a+30a316a3bc-50b2

10p(y-2)+40q(y-2)6(y-2)+m(y-2)

9-64x23x2-48y2

0.16n2-324(x+y)2-(x+9y)2

9+60n+100n2(x+y)2-10m(x+y)+25m2

81b2+90b+2525a2+10a(a+b)+(a+b)2

x2-8x+16x2+4x-12

6x2+7x+236-49a2

45a4+90a36ab2c-30bc

16q(x+2)-20q(x+2)6(x+2)+m(x+2)

64-64b2100x2-36y2

0.16y2-16(6x+2y)2-(x-y)2

4-32m+64m2(x-y)2+6m(x-y)+9m2

100y2-140y+499a2+6a(m+n)+(m+n)2

x2-10x+21x2+6x-7

10x2-25x+109-25x2

15a-70ab16ab2c-20bc

12p(6-a)-28p(6-a)8(6-a)+m(6-a)

9-36a264x2-4y2

0.25m2-25(8x+6y)2-(3x-10y)2

9-54n+81n2(m-n)2+4m(m-n)+4m2

49x2-70x+259a2-6a(m-n)+(m-n)2

x2-5x+4x2+3x-18

3x2+33x+54100-64x2

80a+10a2b20a4bc-30b2

16p(y-2)+12p(y-2)6(y-2)-m(y-2)

49-16y232x2-50y2

0.36x2-81(x-4y)2-(x+10y)2

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

9n2-24n+1625a2+10a(a-b)+(a-b)2

x2-17x+72x2+6x-40

8x2-18x+4100-100n2

35a-50a3b4a2b2c-70bc

12q(7-b)-24q(7-b)2(7-b)+m(7-b)

4-16y248x2-3y2

0.36x2-225(5x+3y)2-(6x-9y)2

64-128b+64b2(a+b)2-12m(a+b)+36m2

9b2-24b+1625a2+10a(a-b)+(a-b)2

x2-18x+81x2-9x-10

10x2-22x+481-9x2

60a-50a316ab3c+40b3

6p(2-b)-12q(2-b)8(2-b)-m(2-b)

64-25y264x2-4y2

36y2-100(6x-6y)2-(4x-10y)2

81+90x+25x2(a-b)2+10m(a-b)+25m2

4y2+20y+2516a2-8a(m+n)+(m+n)2

x2-14x+48x2+4x-12

9x2-33x+3049-64m2

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