初中八年级数学上册因式分解练习题大全22.docx

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初中八年级数学上册因式分解练习题大全22.docx

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初中八年级数学上册因式分解练习题大全22.docx

初中八年级数学上册因式分解练习题大全22

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

49n2+70n+2525a2+10a(m+n)+(m+n)2

x2-13x+42x2+6x-16

9x2+33x+2416-16a2

25a2+40a3b18ab3c-40b

4p(9+a)+4p(9+a)6(9+a)+m(9+a)

16-16m23x2-48y2

64a2-361(7x-4y)2-(x+7y)2

81+126a+49a2(m+n)2-12m(m+n)+36m2

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

x2-10x+24x2+5x-6

16x2+48x+3525-49a2

15a4+50ab2a3b2c+100b3c

18p(9+b)-32q(9+b)2(9+b)+m(9+b)

4-36m264x2-4y2

0.36y2-81(x-y)2-(9x-y)2

1+18x+81x2(x+y)2-6m(x+y)+9m2

16y2+8y+116a2-8a(x-y)+(x-y)2

x2+11x+18x2+6x-27

16x2+32x+154-49b2

40a+50a18abc+60b

4p(7+b)-4p(7+b)6(7+b)+m(7+b)

64-100n22x2-32y2

0.16b2-121(9x+3y)2-(x-7y)2

100-60b+9b2(x-y)2-12m(x-y)+36m2

49x2-84x+364a2-4a(m-n)+(m-n)2

x2+14x+49x2+2x-24

3x2+31x+3664-9n2

60a+40a14abc-90b3

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

100-49n264x2-100y2

0.25a2-225(x-3y)2-(9x+7y)2

16+72a+81a2(m-n)2+6m(m-n)+9m2

36y2-72y+3625a2+10a(x-y)+(x-y)2

x2+5x+6x2-4x-12

8x2-28x+1216-4y2

60a2+80a16ab2c-100b3c

6q(4+a)+20p(4+a)8(4+a)+m(4+a)

1-49x264x2-36y2

81n2-4(3x+y)2-(x-y)2

64+32a+4a2(x-y)2-10m(x-y)+25m2

16x2-80x+10036a2-12a(a+b)+(a+b)2

x2+10x+16x2+6x-7

8x2+30x+71-36x2

75a+30ab10a3b3c-90bc

16p(9+a)+32p(9+a)6(9+a)-m(9+a)

1-36n264x2-16y2

9y2-324(x+3y)2-(2x+y)2

100+160b+64b2(x+y)2+6m(x+y)+9m2

36y2+24y+49a2-6a(x-y)+(x-y)2

x2+16x+63x2-4x-32

10x2+14x+425-4n2

15a3+50ab12a4b2c+40b3c

16q(8+a)-12p(8+a)2(8+a)-m(8+a)

9-49n248x2-75y2

0.25b2-1(x-y)2-(3x-7y)2

25-60a+36a2(x-y)2-8m(x-y)+16m2

81x2+18x+125a2-10a(x+y)+(x+y)2

x2-14x+49x2+7x-8

6x2+5x+116-9b2

15a-60ab4a4b3c+10bc

4q(y+3)+32p(y+3)6(y+3)-m(y+3)

16-36m216x2-4y2

0.09n2-289(4x-y)2-(9x+9y)2

81-126n+49n2(x+y)2+4m(x+y)+4m2

36b2+72b+3625a2-10a(a-b)+(a-b)2

x2+13x+36x2-6x-16

10x2+22x+1216-100x2

25a+90a2b8a4bc+60bc

8q(x+6)+24p(x+6)2(x+6)-m(x+6)

64-100y264x2-64y2

0.64b2-225(5x-2y)2-(x+10y)2

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

64b2-16b+136a2+12a(m-n)+(m-n)2

x2-11x+28x2-4x-32

8x2+28x+209-36x2

10a-70ab4abc+20bc

10p(1-a)+4q(1-a)4(1-a)-m(1-a)

25-16x250x2-8y2

0.16x2-169(x-6y)2-(x-y)2

16-24m+9m2(a+b)2+8m(a+b)+16m2

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

x2+13x+40x2-4x-32

6x2-17x+1236-4a2

15a3-80a36ab3c-80b3c

8q(x+9)-16q(x+9)6(x+9)-m(x+9)

100-4a264x2-4y2

0.81b2-9(x-6y)2-(x-y)2

16+72y+81y2(a-b)2-6m(a-b)+9m2

4y2-4y+19a2+6a(m+n)+(m+n)2

x2-5x+6x2+7x-18

15x2-42x+244-49a2

95a+30ab10a4bc-70b

10p(x-8)-28p(x-8)6(x-8)+m(x-8)

81-36n248x2-27y2

9b2-169(x-2y)2-(x+y)2

49+140y+100y2(m-n)2-12m(m-n)+36m2

49n2-98n+4916a2+8a(a-b)+(a-b)2

x2+7x+12x2+6x-27

12x2-32x+161-64y2

45a+50a410ab2c-20b2c

2q(x-1)-20p(x-1)6(x-1)+m(x-1)

64-49m22x2-50y2

25n2-144(4x-2y)2-(x-y)2

64-96y+36y2(a-b)2+4m(a-b)+4m2

4m2+16m+1616a2-8a(a-b)+(a-b)2

x2-12x+27x2+8x-9

20x2-72x+6449-64a2

40a-90a14a3b2c-80b2

14p(9+b)-12q(9+b)8(9+b)-m(9+b)

25-25a275x2-27y2

64x2-16(x+y)2-(x-y)2

9+18b+9b2(m-n)2+6m(m-n)+9m2

64x2-32x+436a2-12a(a+b)+(a+b)2

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

12x2-63x+81100-9x2

85a4+90a42a3b3c-70b

2p(3+a)+20p(3+a)8(3+a)+m(3+a)

1-49b248x2-12y2

0.49m2-81(7x+y)2-(x-7y)2

36-84n+49n2(a+b)2-12m(a+b)+36m2

49y2-112y+6436a2+12a(m+n)+(m+n)2

x2+3x+2x2+8x-9

9x2-39x+361-16a2

40a3-20a4b6a2bc-60b

16q(x-2)-40q(x-2)6(x-2)-m(x-2)

4-36n250x2-18y2

49y2-81(2x-6y)2-(8x+y)2

64+128y+64y2(m-n)2-4m(m-n)+4m2

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

x2-13x+42x2-7x-30

12x2-44x+4081-64m2

15a-30a6a2bc+90b2

20q(x-7)-32q(x-7)8(x-7)+m(x-7)

81-16b275x2-75y2

0.25a2-100(9x-6y)2-(3x+y)2

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

81m2+144m+6436a2-12a(m-n)+(m-n)2

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

4x2-30x+5016-81a2

45a-30a4b4a4bc+80b3

20q(x-4)+12q(x-4)6(x-4)+m(x-4)

4-49y227x2-75y2

0.36b2-100(x+2y)2-(9x+y)2

100-40a+4a2(x+y)2-6m(x+y)+9m2

49n2-42n+94a2+4a(m-n)+(m-n)2

x2-11x+30x2+7x-18

12x2+39x+274-100y2

55a+90a2abc+70bc

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

49-81m275x2-27y2

49n2-16(x+y)2-(4x+7y)2

16+64m+64m2(x+y)2+8m(x+y)+16m2

36x2-96x+6436a2-12a(a-b)+(a-b)2

x2+11x+24x2-8x-20

8x2-48x+6416-4y2

15a+30a3b4a4b2c-10b3c

8p(x-8)-20p(x-8)4(x-8)-m(x-8)

4-100n232x2-2y2

25y2-49(x+2y)2-(x-10y)2

36+108a+81a2(a+b)2+8m(a+b)+16m2

25y2+90y+8125a2-10a(m-n)+(m-n)2

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

10x2-55x+7016-49y2

100a2+50ab6abc+100bc

12q(9+a)-28q(9+a)8(9+a)+m(9+a)

16-4m232x2-50y2

0.04m2-225(6x-y)2-(3x+y)2

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

64m2+16m+19a2-6a(m-n)+(m-n)2

x2-14x+45x2-4x-12

9x2+27x+18100-49y2

50a3-80ab2a3bc-100b2

10p(9-b)+12q(9-b)6(9-b)+m(9-b)

64-4m2100x2-16y2

0.25n2-121(7x-5y)2-(5x-7y)2

64-144x+81x2(m-n)2-6m(m-n)+9m2

4b2-8b+49a2+6a(m-n)+(m-n)2

x2+8x+7x2-4x-45

12x2-63x+814-36b2

80a4+20a3b4a3b2c-40b

4q(x+4)+32p(x+4)2(x+4)-m(x+4)

100-16n275x2-48y2

36y2-121(x-y)2-(x-8y)2

64-64n+16n2(a+b)2-10m(a+b)+25m2

36y2+12y+136a2-12a(m-n)+(m-n)2

x2-16x+64x2-9x-10

3x2+10x+74-9m2

50a2+80a2b6a2bc+90bc

10p(x-1)+8p(x-1)8(x-1)-m(x-1)

4-49x28x2-50y2

0.09m2-36(8x+y)2-(x+8y)2

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

81y2+144y+644a2-4a(a-b)+(a-b)2

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

5x2+38x+4864-16m2

90a4-60a416ab3c+30b

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

25-4m264x2-16y2

49b2-4(x-4y)2-(3x+9y)2

64+80m+25m2(x+y)2+4m(x+y)+4m2

64n2+112n+4936a2+12a(m-n)+(m-n)2

x2+13x+40x2+4x-32

12x2+43x+3525-25y2

50a2-60a418ab2c-80b

8p(9+b)+20p(9+b)2(9+b)-m(9+b)

81-64m216x2-4y2

9m2-361(x+4y)2-(x-y)2

1+14y+49y2(x-y)2-4m(x-y)+4m2

4a2-32a+644a2+4a(a+b)+(a+b)2

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

6x2+28x+3236-64m2

90a-100ab20ab3c+90bc

6q(1-b)-4q(1-b)8(1-b)+m(1-b)

81-49x236x2-4y2

64b2-4(x+6y)2-(2x-10y)2

100-80a+16a2(x-y)2+6m(x-y)+9m2

64m2-128m+6436a2-12a(x-y)+(x-y)2

x2+4x+3x2+7x-8

6x2-10x+44-9a2

65a-60a4b4a2bc+90b4

4q(5-b)-40p(5-b)8(5-b)+m(5-b)

25-4a24x2-100y2

0.36b2-225(4x+y)2-(x-7y)2

25-90x+81x2(a-b)2+6m(a-b)+9m2

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

x2-4x+3x2+8x-20

8x2-38x+949-64b2

90a3-80a36a4bc-90bc

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

100-4m248x2-27y2

0.09b2-49(3x-4y)2-(x-10y)2

81+90b+25b2(m+n)2-4m(m+n)+4m2

100n2-60n+925a2+10a(m-n)+(m-n)2

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

5x2-48x+644-81m2

70a4-100a20abc+40b4

6p(8+b)-24p(8+b)4(8+b)-m(8+b)

64-16n275x2-3y2

9y2-25(5x+4y)2-(x+9y)2

81-126b+49b2(x+y)2-8m(x+y)+16m2

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

x2+13x+42x2-4x-45

3x2-36x+8181-64n2

5a2+30ab18a3bc+20b4c

16q(x-1)+20q(x-1)8(x-1)-m(x-1)

1-36y248x2-12y2

0.04b2-144(3x+y)2-(4x+y)2

64-64n+16n2(x+y)2-4m(x+y)+4m2

81m2-72m+169a2-6a(a+b)+(a+b)2

x2-12x+35x2+4x-45

5x2+12x+425-36x2

70a4+70a314ab3c-40b

2q(3+b)+16p(3+b)2(3+b)-m(3+b)

1-81a236x2-100y2

64b2-225(3x-y)2-(8x+9y)2

16-40y+25y2(a-b)2+10m(a-b)+25m2

4a2-32a+6416a2+8a(m-n)+(m-n)2

x2-8x+15x2+4x-12

12x2+23x+54-36a2

60a4-70ab4a3b3c+50b2

20p(x+2)+12p(x+2)2(x+2)+m(x+2)

25-81b212x2-75y2

36a2-324(x-y)2-(9x+y)2

16-24y+9y2(x-y)2-8m(x-y)+16m2

49y2-70y+2536a2-12a(x+y)+(x+y)2

x2+5x+6x2+2x-24

2x2-11x+151-16y2

85a4-50ab2a4bc+100b4

12q(2+a)-12q(2+a)6(2+a)+m(2+a)

64-64x232x2-2y2

0.36x2-169(9x-y)2-(6x+7y)2

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

49x2-112x+644a2+4a(x-y)+(x-y)2

x2-16x+63x2-4x-12

15x2+58x+48100-64b2

50a3+90a4b16a4b3c-50b3c

6p(5+b)-28p(5+b)4(5+b)-m(5+b)

36-81n23x2-3y2

64x2-25(x-4y)2-(x+y)2

100+80x+16x2(a-b)2+10m(a-b)+25m2

25y2-80y+6436a2-12a(x+y)+(x+y)2

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

4x2-14x+101-4b2

65a3-10ab4ab2c-90bc

8q(x-4)-16p(x-4)6(x-4)-m(x-4)

64-49a248x2-48y2

0.09m2-225(x+4y)2-(x-y)2

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

100a2-60a+916a2-8a(x+y)+(x+y)2

x2-8x+12x2+5x-24

10x2-25x+10100-36n2

65a3+10a2b20a2bc-90b

2q(x-5)-32q(x-5)6(x-5)-m(x-5)

1-100b236x2-64y2

64b2-324(x-6y)2-(x+y)2

4+32n+64n2(m+n)2-12m(m+n)+36m2

100a2-180a+8116a2+8a(a-b)+(a-b)2

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

6x2-45x+8116-16b2

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