初中八年级数学上册因式分解练习题大全14.docx

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初中八年级数学上册因式分解练习题大全14.docx

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初中八年级数学上册因式分解练习题大全14.docx

初中八年级数学上册因式分解练习题大全14

36+84x+49x2(m+n)2-4m(m+n)+4m2

100x2+120x+3625a2+10a(m-n)+(m-n)2

x2-15x+56x2+5x-50

8x2-18x+981-16x2

45a+60a20a4bc-40b

20p(y+9)-4q(y+9)4(y+9)-m(y+9)

81-81m28x2-50y2

0.09b2-256(x+6y)2-(x+y)2

64-32y+4y2(x+y)2+6m(x+y)+9m2

16m2+32m+1616a2-8a(m-n)+(m-n)2

x2-10x+16x2-5x-6

8x2-30x+1881-81m2

5a2-60a210a3bc+80b

18p(1+a)+20p(1+a)8(1+a)-m(1+a)

49-25b24x2-64y2

0.25m2-1(7x+y)2-(x-7y)2

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

16x2+56x+499a2+6a(x+y)+(x+y)2

x2-9x+20x2+5x-24

8x2+36x+16100-36m2

5a+20a3b16ab3c-80b2

4q(4-b)-28p(4-b)8(4-b)+m(4-b)

100-64n24x2-16y2

0.36n2-25(4x-y)2-(6x+9y)2

4+12b+9b2(m-n)2+10m(m-n)+25m2

16m2+16m+425a2-10a(a+b)+(a+b)2

x2-13x+42x2+4x-12

6x2-19x+101-36b2

20a-90a410abc-100b2

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

81-81x212x2-75y2

25y2-1(x+5y)2-(9x-10y)2

49+98m+49m2(a-b)2-8m(a-b)+16m2

49n2-126n+8136a2-12a(a+b)+(a+b)2

x2-13x+36x2+5x-50

6x2+38x+604-4b2

45a4+50a32ab3c-50bc

2p(y+7)+12q(y+7)2(y+7)+m(y+7)

1-25b28x2-32y2

64x2-36(x-4y)2-(2x-9y)2

49+126n+81n2(x+y)2+10m(x+y)+25m2

49b2-42b+936a2+12a(a+b)+(a+b)2

x2-10x+24x2-6x-27

8x2+30x+2564-36m2

100a4+100a20ab3c-60b4

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

1-25a218x2-18y2

25m2-196(x-3y)2-(x+y)2

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

9a2-12a+425a2-10a(m+n)+(m+n)2

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

12x2+30x+1881-100x2

30a-20ab12a4b2c+20bc

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

49-16n250x2-18y2

49n2-324(9x-y)2-(2x-10y)2

25+30n+9n2(a-b)2-8m(a-b)+16m2

36m2+60m+254a2+4a(m-n)+(m-n)2

x2+11x+18x2-4x-12

8x2-28x+241-100x2

60a-40a14a4bc+10b2

8q(x-9)+12p(x-9)8(x-9)-m(x-9)

4-81n275x2-12y2

25x2-324(8x+y)2-(x-y)2

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

25m2+60m+364a2+4a(m-n)+(m-n)2

x2-9x+14x2+5x-50

8x2+40x+4281-9m2

30a4+60a2b16a2bc-10bc

12p(1-a)-24q(1-a)2(1-a)-m(1-a)

81-16b218x2-2y2

0.49x2-324(9x+y)2-(2x-y)2

1+20n+100n2(a+b)2-4m(a+b)+4m2

9m2+60m+10036a2-12a(m+n)+(m+n)2

x2+8x+7x2-4x-21

5x2-25x+204-36a2

20a-40a4b14abc-30b2c

14p(x-1)-20q(x-1)6(x-1)+m(x-1)

1-36n24x2-100y2

0.25n2-144(2x+3y)2-(x+y)2

36+72x+36x2(m+n)2-4m(m+n)+4m2

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

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

10x2+34x+2825-36a2

60a-50ab2a4b3c-100b4

6p(9+a)-28p(9+a)6(9+a)-m(9+a)

64-49m216x2-64y2

0.16y2-16(7x-y)2-(3x-10y)2

36-24a+4a2(m+n)2+10m(m+n)+25m2

81x2-54x+94a2+4a(x+y)+(x+y)2

x2-10x+16x2-2x-35

2x2+8x+849-81a2

70a-50a2b10a4bc-10b2

8p(5-b)+28q(5-b)4(5-b)+m(5-b)

1-49x250x2-32y2

0.49m2-49(x+2y)2-(x-y)2

81-36a+4a2(a-b)2-8m(a-b)+16m2

9b2+18b+936a2-12a(a+b)+(a+b)2

x2+6x+5x2-4x-21

8x2-44x+481-49x2

40a3+50ab12a3b3c+20b2c

12p(y+2)-20p(y+2)6(y+2)-m(y+2)

81-49m218x2-32y2

25a2-36(x+5y)2-(4x+y)2

81+36n+4n2(a+b)2-12m(a+b)+36m2

16a2+64a+6416a2+8a(a+b)+(a+b)2

x2+16x+63x2-5x-50

15x2-53x+1064-25y2

85a-40ab16a3b2c+90b4

18q(y-8)+36q(y-8)8(y-8)+m(y-8)

9-25b216x2-4y2

36n2-16(x-y)2-(x+y)2

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

4y2+12y+99a2-6a(m+n)+(m+n)2

x2-12x+32x2-4x-21

9x2+36x+35100-9n2

10a-80a2b2a3b3c-20b

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

100-81x2100x2-36y2

0.09a2-361(8x+5y)2-(9x-9y)2

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

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

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

12x2+41x+3525-9b2

35a+50a3b2a4bc+50b

12q(x-8)-36q(x-8)8(x-8)-m(x-8)

49-49n216x2-100y2

4x2-400(x+3y)2-(x+8y)2

1-20y+100y2(x-y)2+6m(x-y)+9m2

25b2-50b+254a2+4a(m+n)+(m+n)2

x2-10x+21x2-5x-14

2x2+5x+34-4x2

10a3-100a318abc+90b2

18p(3-a)-28p(3-a)6(3-a)+m(3-a)

64-4b216x2-100y2

0.64b2-36(4x+y)2-(x-y)2

81+54n+9n2(m-n)2-8m(m-n)+16m2

25y2-90y+819a2+6a(a-b)+(a-b)2

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

4x2+5x+19-25y2

10a-10a4b8ab2c-40b

4p(7-b)+24p(7-b)8(7-b)+m(7-b)

4-49n248x2-12y2

0.49x2-225(9x+3y)2-(8x+y)2

16+80b+100b2(x-y)2-10m(x-y)+25m2

100x2-120x+369a2-6a(x-y)+(x-y)2

x2-5x+6x2-1x-30

4x2+41x+45100-25m2

25a-10a4b14a4b3c-70bc

8q(2-a)-32p(2-a)6(2-a)+m(2-a)

64-4a28x2-2y2

16x2-225(8x-y)2-(5x-y)2

36-72a+36a2(x+y)2+12m(x+y)+36m2

100x2-140x+499a2-6a(m+n)+(m+n)2

x2-14x+49x2-8x-9

5x2+13x+8100-64x2

65a4+40a10a2bc-50bc

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

9-9y236x2-4y2

9x2-361(x-5y)2-(x-9y)2

36+60y+25y2(m+n)2+12m(m+n)+36m2

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

x2-5x+6x2+2x-35

4x2+5x+125-9a2

20a-50a3b18ab3c-20b

20q(7+a)+8p(7+a)8(7+a)+m(7+a)

1-9n248x2-75y2

0.64n2-16(7x+3y)2-(x-8y)2

1-14a+49a2(m+n)2+12m(m+n)+36m2

4m2-16m+164a2-4a(a-b)+(a-b)2

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

6x2+47x+9081-16m2

30a2-50a46a3b3c+80b

16p(6-b)+32q(6-b)4(6-b)+m(6-b)

4-49y216x2-16y2

0.64m2-324(7x-y)2-(2x-9y)2

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

49n2+70n+2516a2+8a(m-n)+(m-n)2

x2-12x+35x2+5x-14

3x2-32x+459-36x2

20a2-100ab4abc-70b2

16q(7+a)+36q(7+a)2(7+a)-m(7+a)

100-81x2100x2-100y2

0.04m2-361(7x-y)2-(3x+8y)2

1+8m+16m2(x-y)2+12m(x-y)+36m2

25m2+50m+2516a2+8a(a-b)+(a-b)2

x2+9x+18x2+2x-35

20x2-77x+7236-9y2

15a+30a3b20abc-70bc

20p(2-b)-28p(2-b)4(2-b)-m(2-b)

9-64n232x2-50y2

36a2-121(6x-y)2-(3x+y)2

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

36n2-24n+416a2+8a(m-n)+(m-n)2

x2+11x+30x2-4x-32

15x2-45x+3064-9m2

75a+80ab20abc-30b4

20q(y-9)-16p(y-9)4(y-9)-m(y-9)

4-16a23x2-12y2

49a2-361(x+y)2-(x-8y)2

25+60m+36m2(m+n)2+8m(m+n)+16m2

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

x2-5x+6x2+6x-16

16x2+44x+2849-9m2

85a-30a44a2bc-60b3

10p(2-a)-20q(2-a)4(2-a)-m(2-a)

16-64b28x2-2y2

9x2-256(8x-y)2-(x-10y)2

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

9y2+60y+1004a2-4a(x-y)+(x-y)2

x2+3x+2x2-6x-16

2x2-20x+4281-25b2

40a2-50a3b12a4bc-70b3

14p(x+2)+20p(x+2)4(x+2)+m(x+2)

64-36x2100x2-4y2

0.25b2-196(4x-y)2-(x+8y)2

81+54x+9x2(a-b)2-8m(a-b)+16m2

49b2-14b+19a2-6a(a-b)+(a-b)2

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

12x2-15x+3100-4y2

85a+10ab2ab2c-50b4

10p(x+8)-20q(x+8)8(x+8)-m(x+8)

25-64b250x2-2y2

0.64y2-81(4x-y)2-(x-8y)2

64+32m+4m2(a-b)2+10m(a-b)+25m2

25m2+50m+259a2+6a(a-b)+(a-b)2

x2-7x+10x2+4x-45

4x2+28x+404-25m2

30a-60a8ab3c+80b

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

100-25a218x2-18y2

0.81m2-9(9x+4y)2-(x-y)2

36-24b+4b2(m+n)2-10m(m+n)+25m2

16a2+64a+6436a2+12a(x+y)+(x+y)2

x2-10x+16x2+5x-6

12x2+31x+204-4n2

30a3-50a2a2b2c+10b4

20p(2-a)+28q(2-a)6(2-a)-m(2-a)

100-49y216x2-36y2

0.04b2-169(4x-y)2-(6x-7y)2

81-54x+9x2(x+y)2-4m(x+y)+4m2

36x2-108x+814a2+4a(a-b)+(a-b)2

x2-11x+24x2-3x-18

20x2-70x+6036-64x2

85a-40a20a4bc-50b2

20p(x+9)-20p(x+9)8(x+9)+m(x+9)

49-36x218x2-2y2

0.16m2-324(3x+y)2-(x-9y)2

9+36m+36m2(x-y)2-10m(x-y)+25m2

100y2-140y+494a2+4a(a-b)+(a-b)2

x2+8x+15x2-3x-18

4x2-34x+4281-49n2

50a2-90a2b4a2b2c-80b

14q(3-b)-4q(3-b)8(3-b)-m(3-b)

81-25m212x2-3y2

0.49m2-1(x+6y)2-(x+y)2

1-6y+9y2(a-b)2+6m(a-b)+9m2

64x2-32x+44a2+4a(x-y)+(x-y)2

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

10x2-52x+1016-81y2

55a4-90ab6ab3c+70bc

18p(6+b)+28q(6+b)2(6+b)-m(6+b)

81-36m275x2-3y2

0.16n2-36(2x+2y)2-(6x+7y)2

25-80m+64m2(x+y)2-8m(x+y)+16m2

49b2-28b+44a2-4a(m+n)+(m+n)2

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

6x2-29x+281-9y2

20a+20a18abc-70b4

8p(6-b)-40p(6-b)8(6-b)-m(6-b)

16-64m22x2-2y2

0.04y2-16(9x+y)2-(x+7y)2

9-36y+36y2(x-y)2+10m(x-y)+25m2

9a2-24a+1616a2+8a(x+y)+(x+y)2

x2+11x+28x2+4x-45

10x2+38x+249-16m2

95a+70a16abc-100b2

12q(8+a)-24q(8+a)4(8+a)+m(8+a)

36-16m236x2-36y2

4y2-289(x+y)2-(6x+y)2

36-72m+36m2(a+b)2-4m(a+b)+4m2

16n2-24n+936a2-12a(a-b)+(a-b)2

x2-7x+10x2+3x-28

3x2-18x+2416-4b2

65a3-60ab10ab3c+60b2

2p(1+a)+36p(1+a)2(1+a)+m(1+a)

1-9y24x2-36y2

49b2-225(4x-y)2-(x+7y)2

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

4y2-40y+1004a2+4a(x-y)+(x-y)2

x2+15x+56x2+4x-21

6x2-30x+3681-9x2

5a-30a318ab3c-90b

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

25-49n227x2-75y2

36m2-1(7x-y)2-(2x+y)2

100+160m+64m2(a+b)2+8m(a+b)+16m2

64x2-128x+649a2-6a(m+n)+(m+n)2

x2+11x+28x2-5x-50

6x2+37x+4581-36m2

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