初中八年级数学上册因式分解练习题大全30.docx

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初中八年级数学上册因式分解练习题大全30.docx

初中八年级数学上册因式分解练习题大全30

36+60n+25n2(m-n)2-10m(m-n)+25m2

9x2-36x+364a2-4a(x-y)+(x-y)2

x2+9x+14x2+3x-18

10x2+39x+1449-64a2

25a4-80a2b8abc-90b4c

2q(x-1)+20q(x-1)8(x-1)-m(x-1)

100-25b250x2-8y2

9a2-25(x-4y)2-(8x-y)2

64+80a+25a2(a-b)2+6m(a-b)+9m2

36a2+72a+3625a2+10a(a-b)+(a-b)2

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

12x2+37x+2116-25x2

80a-70ab18a3b2c+100bc

14p(5+b)+40p(5+b)2(5+b)+m(5+b)

9-81x236x2-36y2

0.64m2-100(4x-5y)2-(x+y)2

16+16y+4y2(a-b)2-4m(a-b)+4m2

64n2-144n+8116a2+8a(a+b)+(a+b)2

x2-12x+36x2-2x-35

12x2-53x+5664-16a2

25a2+80a12a4bc-80bc

10q(1+a)-40p(1+a)8(1+a)+m(1+a)

49-81n2100x2-4y2

25a2-400(8x+y)2-(3x+9y)2

49+42n+9n2(a+b)2+8m(a+b)+16m2

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

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

15x2+26x+825-64n2

80a-70ab10a4b2c-20bc

2q(3-a)+8p(3-a)8(3-a)-m(3-a)

81-4a216x2-16y2

0.04m2-169(2x-y)2-(8x-y)2

25-70a+49a2(a+b)2-6m(a+b)+9m2

64x2-64x+169a2-6a(a+b)+(a+b)2

x2-15x+56x2-9x-10

4x2-44x+4016-64x2

95a4+90a2b14a3bc-50b2c

2q(9-b)+8p(9-b)6(9-b)-m(9-b)

100-25m28x2-8y2

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

49-70x+25x2(a+b)2+12m(a+b)+36m2

49n2-126n+8125a2+10a(m-n)+(m-n)2

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

8x2+30x+259-49n2

70a+30a3b12ab2c-90b

4p(x-3)-24p(x-3)6(x-3)-m(x-3)

100-25x212x2-3y2

64a2-225(x-4y)2-(5x+y)2

100-160x+64x2(a-b)2-4m(a-b)+4m2

4n2-28n+4936a2+12a(m+n)+(m+n)2

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

6x2+36x+3064-4n2

35a+60a8ab2c-10b2c

14q(6+b)-12p(6+b)4(6+b)-m(6+b)

49-100n28x2-50y2

0.09m2-81(7x-3y)2-(x-10y)2

49-28a+4a2(m-n)2+12m(m-n)+36m2

16m2-56m+4936a2-12a(a+b)+(a+b)2

x2-13x+40x2-2x-24

3x2-25x+881-4y2

20a-10ab2ab2c+100bc

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

16-36a227x2-27y2

81m2-256(x+6y)2-(x+y)2

49+70y+25y2(x+y)2+10m(x+y)+25m2

100b2-60b+925a2+10a(x+y)+(x+y)2

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

16x2-52x+361-100x2

20a4-20a318ab2c-60b

4p(x-2)-20q(x-2)8(x-2)+m(x-2)

36-9y212x2-12y2

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

100-140a+49a2(a-b)2-10m(a-b)+25m2

9x2-42x+4925a2-10a(a-b)+(a-b)2

x2+10x+24x2-7x-8

4x2-32x+6049-100a2

95a3+90a410a3bc-60b2

4q(x+8)-36q(x+8)6(x+8)-m(x+8)

64-100n250x2-50y2

0.64y2-100(x+y)2-(x-7y)2

81+126y+49y2(x+y)2+12m(x+y)+36m2

49y2+28y+416a2+8a(m-n)+(m-n)2

x2-8x+7x2-5x-14

3x2-28x+6025-100m2

65a4-20ab6abc+60b2c

2q(6+a)+40p(6+a)6(6+a)+m(6+a)

16-25a275x2-75y2

16m2-225(x-3y)2-(x+9y)2

49-70y+25y2(a-b)2+10m(a-b)+25m2

16y2+24y+936a2+12a(m-n)+(m-n)2

x2-10x+24x2+8x-20

12x2-27x+1516-81x2

5a-30a2a4b3c+60b3

12q(x+1)-16p(x+1)8(x+1)-m(x+1)

100-4b264x2-64y2

0.04n2-400(x+6y)2-(8x-9y)2

81+126x+49x2(x-y)2+4m(x-y)+4m2

64b2-80b+259a2+6a(a+b)+(a+b)2

x2-15x+56x2+3x-18

3x2+26x+3536-4m2

75a2+50a14abc+50b4

10q(1+a)+20q(1+a)4(1+a)+m(1+a)

9-4m264x2-64y2

64a2-100(4x+5y)2-(x+9y)2

81-72b+16b2(m+n)2-8m(m+n)+16m2

9m2+30m+2516a2+8a(m-n)+(m-n)2

x2+13x+40x2-7x-18

6x2+31x+1849-81a2

50a3+100a36abc+30bc

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

16-81y232x2-18y2

0.09m2-81(x-y)2-(5x-y)2

64-64a+16a2(m-n)2+4m(m-n)+4m2

9y2+18y+936a2+12a(m+n)+(m+n)2

x2-10x+25x2-4x-32

9x2-39x+42100-25b2

15a-10a3b14abc-100bc

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

81-9m248x2-48y2

16b2-400(3x+y)2-(x-y)2

81+54y+9y2(a+b)2+8m(a+b)+16m2

9a2-12a+49a2-6a(m-n)+(m-n)2

x2-9x+18x2-4x-12

4x2-21x+271-81n2

100a4+100a4abc-20b3c

20p(y-7)+20q(y-7)8(y-7)-m(y-7)

1-4m218x2-8y2

0.16m2-225(5x+y)2-(4x+y)2

4+32b+64b2(a-b)2+10m(a-b)+25m2

4m2+4m+14a2-4a(m-n)+(m-n)2

x2+5x+6x2-7x-8

8x2+26x+1881-25y2

65a2+30a2b18a2bc+60bc

2q(y-1)-16q(y-1)8(y-1)+m(y-1)

36-9b212x2-12y2

0.04x2-225(x+y)2-(x-y)2

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

36a2-120a+10036a2+12a(x+y)+(x+y)2

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

12x2-36x+2481-100x2

5a+90a3b2abc-60bc

20q(7+b)+24q(7+b)8(7+b)-m(7+b)

36-100m250x2-50y2

0.36b2-196(7x+5y)2-(x+10y)2

4+16b+16b2(a+b)2+10m(a+b)+25m2

100y2-60y+99a2-6a(a+b)+(a+b)2

x2+12x+32x2-2x-35

9x2+48x+6016-49a2

90a3-50a4a4b2c+40bc

10q(7-a)-24q(7-a)2(7-a)+m(7-a)

100-4b264x2-4y2

64y2-169(9x-y)2-(2x-y)2

16+16y+4y2(a-b)2-8m(a-b)+16m2

16a2-64a+6416a2-8a(x+y)+(x+y)2

x2-13x+42x2+4x-32

10x2-36x+1881-81n2

5a2+50ab20a2bc+50b3c

4p(1-b)+32p(1-b)6(1-b)+m(1-b)

1-64x218x2-8y2

0.25y2-196(x+y)2-(9x-y)2

1+8y+16y2(x-y)2+10m(x-y)+25m2

49n2+84n+369a2-6a(a+b)+(a+b)2

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

8x2-22x+916-100b2

75a+100a8abc-10b3

10q(3-a)+32p(3-a)2(3-a)-m(3-a)

64-36a22x2-2y2

0.49a2-324(x-4y)2-(x-8y)2

4-20x+25x2(x+y)2+8m(x+y)+16m2

81y2+162y+8125a2-10a(m-n)+(m-n)2

x2+9x+20x2+7x-30

12x2+25x+12100-25n2

50a2-10a4b12a3b2c-20b4c

14q(6-b)-24q(6-b)6(6-b)-m(6-b)

9-36m218x2-2y2

0.04y2-400(x+6y)2-(x+y)2

49-42y+9y2(m-n)2-8m(m-n)+16m2

81n2-36n+425a2+10a(m+n)+(m+n)2

x2+15x+56x2+3x-18

20x2+42x+181-9m2

50a-80a42a4b2c-90b2c

12q(x+1)-8p(x+1)6(x+1)-m(x+1)

81-36n212x2-12y2

0.04y2-100(2x+y)2-(x-8y)2

4-20y+25y2(a-b)2+4m(a-b)+4m2

100m2-200m+1009a2+6a(x-y)+(x-y)2

x2+14x+45x2+6x-40

9x2+54x+8081-100m2

75a2-10a38a4bc+70b4c

4q(y+9)+24q(y+9)6(y+9)+m(y+9)

9-100a250x2-32y2

9y2-196(3x-y)2-(x+8y)2

16+48y+36y2(a-b)2-6m(a-b)+9m2

16x2-72x+8116a2-8a(x+y)+(x+y)2

x2-10x+16x2-3x-18

16x2+20x+4100-4x2

90a4+30ab16a3bc+80bc

12p(7-a)+40q(7-a)4(7-a)-m(7-a)

25-49a275x2-3y2

16b2-1(4x-4y)2-(2x-y)2

1-6n+9n2(m-n)2+12m(m-n)+36m2

49b2-14b+116a2+8a(x+y)+(x+y)2

x2+17x+72x2+1x-30

5x2+33x+1849-4b2

5a+90a3b20a2bc+30b3c

18p(1-a)+12q(1-a)6(1-a)+m(1-a)

9-100y24x2-36y2

0.09a2-144(x+y)2-(8x+y)2

9+48b+64b2(m+n)2-4m(m+n)+4m2

4n2+24n+364a2-4a(m-n)+(m-n)2

x2+12x+32x2+4x-45

4x2-24x+2764-9m2

60a3+90ab18a2bc+100b

8q(9+a)+36p(9+a)6(9+a)-m(9+a)

49-81b275x2-3y2

0.04m2-196(8x+4y)2-(x+y)2

4+8n+4n2(m+n)2+8m(m+n)+16m2

64m2-16m+14a2+4a(x-y)+(x-y)2

x2+14x+48x2+3x-28

6x2-13x+59-9b2

75a+100a418a2bc-10b

16p(3+a)-40p(3+a)8(3+a)+m(3+a)

9-100a227x2-3y2

0.16x2-1(x+5y)2-(x+7y)2

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

49m2-112m+6425a2+10a(x+y)+(x+y)2

x2+4x+3x2-7x-30

6x2+20x+141-81n2

15a4-20a16abc+100b

8q(9-a)-28q(9-a)2(9-a)+m(9-a)

81-49x2100x2-36y2

0.25x2-25(5x+y)2-(4x+y)2

64+64a+16a2(x+y)2-10m(x+y)+25m2

36y2-12y+116a2+8a(m+n)+(m+n)2

x2-8x+15x2+6x-16

6x2+30x+3649-81x2

60a3+30a24abc-10b

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

81-25b275x2-27y2

25b2-9(7x-y)2-(x+8y)2

64+96m+36m2(x+y)2+12m(x+y)+36m2

25b2+30b+916a2-8a(a+b)+(a+b)2

x2-8x+15x2+9x-10

4x2+20x+21100-64n2

40a-30a4b2a4b3c-100b4c

8p(3+b)+40p(3+b)2(3+b)+m(3+b)

1-4n24x2-16y2

0.04y2-121(x+y)2-(x-10y)2

49-112a+64a2(a+b)2-6m(a+b)+9m2

16b2+8b+125a2-10a(x-y)+(x-y)2

x2+11x+30x2+2x-24

8x2-42x+5425-100m2

20a2+60ab4abc-30b2c

12q(y+7)+20p(y+7)8(y+7)-m(y+7)

16-16n250x2-18y2

0.49x2-324(x-2y)2-(3x+9y)2

25+50a+25a2(m+n)2-12m(m+n)+36m2

9a2-12a+416a2+8a(m-n)+(m-n)2

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

12x2+36x+2481-4n2

75a+10a20a3bc-70bc

12q(x+6)+12p(x+6)2(x+6)+m(x+6)

81-25y232x2-50y2

0.09x2-49(x-4y)2-(x-8y)2

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

16n2+8n+14a2+4a(x+y)+(x+y)2

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

3x2+29x+56100-16n2

85a+10a4b4a3bc+30bc

16p(8-b)-32p(8-b)2(8-b)-m(8-b)

64-25n250x2-50y2

0.25a2-361(8x+5y)2-(x-y)2

4-36b+81b2(x+y)2+12m(x+y)+36m2

4b2+16b+169a2-6a(m-n)+(m-n)2

x2-7x+6x2-2x-35

10x2-45x+5049-36y2

5a3+100ab2a4bc+70b3c

10p(6+a)-20p(6+a)2(6+a)+m(6+a)

1-81x232x2-2y2

81b2-361(9x+2y)2-(x-y)2

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

100a2-80a+1625a2+10a(a+b)+(a+b)2

x2-11x+30x2+2x-24

4x2-16x+736-100b2

100a-80a2ab3c+20b3c

18q(9-b)+28q(9-b)2(9-b)+m(9-b)

25-64a275x2-48y2

0.49m2-361(x-3y)2-(7x+9y)2

25-60y+36y2(a+b)2+8m(a+b)+16m2

81a2-54a+916a2-8a(m-n)+(m-n)2

x2+15x+56x2+7x-8

15x2-53x+101-25b2

45a+30ab6abc-50b

12p(x-8)+28q(x-8)2(x-8)-m(x-8)

25-49x23x2-75y2

49y2-100(x-3y)2-(x-y)2

64+80m+25m2(m+n)2+12m(m+n)+36m2

16b2-56b+4916a2+8a(m-n)+(m-n)2

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

4x2+28x+4964-36b2

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