人教版初中八年级数学上册因式分解练习题大全30.docx

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人教版初中八年级数学上册因式分解练习题大全30.docx

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人教版初中八年级数学上册因式分解练习题大全30.docx

人教版初中八年级数学上册因式分解练习题大全30

30a+10ab14abc+30b2c

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

81-16b28x2-50y2

0.25a2-36(4x-y)2-(x-y)2

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

25n2+60n+3625a2+10a(a-b)+(a-b)2

100a+20a8ab3c-100b4c

10q(9+b)+12p(9+b)2(9+b)+m(9+b)

4-100n275x2-12y2

36n2-256(2x+y)2-(x+10y)2

25+50m+25m2(x-y)2+6m(x-y)+9m2

81x2+180x+10036a2-12a(m-n)+(m-n)2

95a3-90a18ab2c-20b2

6p(3-b)-8p(3-b)4(3-b)+m(3-b)

9-1n24x2-100y2

49b2-81(8x-y)2-(x-y)2

49-126b+81b2(x+y)2+6m(x+y)+9m2

16n2-8n+136a2+12a(a-b)+(a-b)2

25a2+80ab12a4b3c+80b

10p(6+a)+24p(6+a)2(6+a)+m(6+a)

36-25x22x2-8y2

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

1-4a+4a2(a-b)2-12m(a-b)+36m2

81m2+36m+49a2-6a(m-n)+(m-n)2

100a3-90a14ab2c-80b

10q(3+b)-20q(3+b)4(3+b)-m(3+b)

100-1a227x2-3y2

0.25b2-1(4x+y)2-(x+9y)2

36+108b+81b2(m+n)2-10m(m+n)+25m2

16x2-56x+494a2-4a(a-b)+(a-b)2

40a+30a6a4b3c+40bc

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

64-1n2100x2-16y2

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

81+90b+25b2(x+y)2-6m(x+y)+9m2

100m2-80m+1636a2+12a(x-y)+(x-y)2

50a2-100a26a2b3c-60b3

12p(y-1)+12q(y-1)8(y-1)-m(y-1)

64-16y236x2-16y2

9b2-36(8x+2y)2-(x+8y)2

100+200x+100x2(x-y)2+10m(x-y)+25m2

16a2+32a+169a2+6a(x-y)+(x-y)2

10a+60ab2abc-10bc

12p(y+7)+4p(y+7)8(y+7)-m(y+7)

64-9y23x2-27y2

49n2-25(x+y)2-(x-7y)2

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

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

35a-100a4ab2c+90b

16p(y+1)-20p(y+1)4(y+1)+m(y+1)

25-81y236x2-16y2

25x2-256(x+y)2-(x+y)2

36+24n+4n2(a-b)2-8m(a-b)+16m2

81b2+18b+116a2+8a(m-n)+(m-n)2

45a2-30ab18ab2c-40b2

10q(1-a)+36p(1-a)6(1-a)+m(1-a)

81-64x236x2-36y2

16x2-36(x+3y)2-(6x+y)2

36+36y+9y2(m-n)2-12m(m-n)+36m2

4x2-4x+136a2+12a(m-n)+(m-n)2

70a-80a2abc+100b3c

4p(7-a)+32p(7-a)4(7-a)+m(7-a)

25-16x275x2-75y2

0.04b2-100(7x+6y)2-(x-y)2

36+72m+36m2(m-n)2+10m(m-n)+25m2

81b2-126b+4925a2-10a(m-n)+(m-n)2

25a+10a314a3b3c-20b3

10q(3+b)-32p(3+b)6(3+b)+m(3+b)

100-9n248x2-75y2

49a2-25(3x-6y)2-(x-y)2

1-14b+49b2(m+n)2-6m(m+n)+9m2

81x2+18x+14a2-4a(a-b)+(a-b)2

70a2+60a214a3bc+40b3c

14q(x-5)-28q(x-5)8(x-5)+m(x-5)

49-49m28x2-2y2

9b2-4(x-y)2-(x+10y)2

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

64m2+48m+936a2-12a(x-y)+(x-y)2

65a3-50ab18abc-60b

18p(x+6)+28p(x+6)6(x+6)-m(x+6)

25-36m218x2-8y2

16x2-361(4x+y)2-(x+8y)2

64+64a+16a2(x+y)2+12m(x+y)+36m2

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

60a+60a314abc-40b3

14p(2+a)+36p(2+a)6(2+a)+m(2+a)

36-100x236x2-36y2

64a2-225(8x-y)2-(8x-9y)2

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

81a2-90a+2536a2+12a(a-b)+(a-b)2

50a+100ab18abc-100b

20p(2-b)-28q(2-b)6(2-b)-m(2-b)

4-36x248x2-12y2

0.36n2-225(4x+6y)2-(4x-9y)2

100-40y+4y2(m-n)2+12m(m-n)+36m2

81y2-72y+1616a2-8a(x+y)+(x+y)2

60a3+50ab6a3b3c+40b

12p(7+b)+12q(7+b)4(7+b)+m(7+b)

81-81x250x2-8y2

0.09n2-16(x-y)2-(2x-9y)2

16-48a+36a2(m+n)2+4m(m+n)+4m2

25x2-90x+8116a2-8a(m+n)+(m+n)2

40a-20ab10a3bc+10b

10q(5-b)+16q(5-b)8(5-b)-m(5-b)

25-100m248x2-48y2

0.25y2-225(x-3y)2-(3x-y)2

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

4y2-20y+254a2-4a(x+y)+(x+y)2

75a+50a20a2b3c+30b2c

14p(x-7)+12q(x-7)8(x-7)+m(x-7)

36-49m264x2-4y2

0.49b2-256(x+6y)2-(9x+10y)2

64-48n+9n2(x+y)2+4m(x+y)+4m2

81b2+108b+3625a2+10a(m+n)+(m+n)2

75a+70a3b20a2b3c-40b2c

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

100-4n264x2-4y2

0.49m2-16(x+2y)2-(3x-y)2

100+180y+81y2(a+b)2-10m(a+b)+25m2

9m2-24m+1616a2-8a(a+b)+(a+b)2

5a-100ab8ab3c-50b

4p(2+a)+24p(2+a)2(2+a)-m(2+a)

16-100b23x2-48y2

0.04m2-256(x+y)2-(3x-y)2

81+180n+100n2(m+n)2+8m(m+n)+16m2

16x2-40x+2536a2-12a(a+b)+(a+b)2

55a2+60a44a4b3c+90b3

10q(6-b)-8q(6-b)8(6-b)+m(6-b)

9-64a28x2-50y2

0.25n2-289(3x-3y)2-(5x+8y)2

16-16n+4n2(a-b)2-6m(a-b)+9m2

64n2-16n+14a2-4a(x-y)+(x-y)2

50a4+50ab16ab2c+30b3c

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

16-1m216x2-100y2

36b2-400(x+2y)2-(6x-8y)2

49-84y+36y2(x+y)2-8m(x+y)+16m2

81y2-18y+19a2+6a(x+y)+(x+y)2

50a-80a310a4b3c-50bc

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

36-16m22x2-2y2

0.25m2-225(9x+6y)2-(8x+8y)2

25-50b+25b2(a-b)2+6m(a-b)+9m2

100a2-200a+10016a2-8a(x+y)+(x+y)2

90a+100a36a2bc-80b4c

14q(2+b)+12p(2+b)4(2+b)+m(2+b)

4-36n248x2-75y2

0.49n2-4(x-4y)2-(7x+9y)2

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

36x2-24x+44a2-4a(m+n)+(m+n)2

55a-80a34a2b3c+70bc

2q(y-1)-28p(y-1)8(y-1)-m(y-1)

64-81a232x2-50y2

0.09b2-324(x+3y)2-(x-y)2

64+144m+81m2(a+b)2+10m(a+b)+25m2

81a2+72a+169a2+6a(a+b)+(a+b)2

45a3+50a212a4b3c+20b3

20p(5+a)+20p(5+a)2(5+a)-m(5+a)

36-4m22x2-8y2

9n2-361(3x-6y)2-(8x+10y)2

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

25b2+10b+136a2+12a(a+b)+(a+b)2

65a2-80ab4abc-80b3c

20p(y+5)-12q(y+5)2(y+5)-m(y+5)

1-36m28x2-8y2

0.64a2-4(8x-2y)2-(x+y)2

36+48y+16y2(m+n)2-4m(m+n)+4m2

9x2+48x+6425a2-10a(m-n)+(m-n)2

95a4+10a4b10ab3c+50b

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

9-25n218x2-32y2

49x2-196(x-y)2-(x+y)2

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

4n2-4n+116a2-8a(m+n)+(m+n)2

100a3-10ab16a2bc-20b4c

10p(x-4)+36q(x-4)2(x-4)+m(x-4)

16-9a227x2-3y2

64a2-64(x-y)2-(9x+y)2

36-108x+81x2(x+y)2+4m(x+y)+4m2

25a2+100a+1009a2-6a(a-b)+(a-b)2

40a-30a18a2b2c-20bc

6p(4+a)+16p(4+a)8(4+a)+m(4+a)

36-9m232x2-32y2

0.64x2-100(7x-3y)2-(x+7y)2

16-24m+9m2(m-n)2-12m(m-n)+36m2

64m2-48m+925a2+10a(a+b)+(a+b)2

15a-70a4b8ab3c+70b2c

4q(6-a)+8q(6-a)2(6-a)-m(6-a)

9-4m275x2-3y2

81x2-225(9x-6y)2-(x+7y)2

81+180n+100n2(m+n)2+10m(m+n)+25m2

49n2-112n+644a2+4a(x+y)+(x+y)2

70a3+40ab12a2b2c-70b

18q(y+9)+36p(y+9)2(y+9)-m(y+9)

16-1b218x2-8y2

0.16a2-400(x-5y)2-(x+9y)2

36+36x+9x2(m+n)2-8m(m+n)+16m2

9n2+24n+1616a2-8a(m+n)+(m+n)2

70a+70a3b12ab2c-50b2

16p(x+5)-28p(x+5)4(x+5)-m(x+5)

25-49m232x2-8y2

64x2-100(6x-3y)2-(x+8y)2

49+98y+49y2(x+y)2+12m(x+y)+36m2

49m2-56m+1636a2+12a(m-n)+(m-n)2

90a-20a18a4bc+30b2

16p(x-8)-32q(x-8)6(x-8)+m(x-8)

16-100b232x2-50y2

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

36-24y+4y2(m-n)2-12m(m-n)+36m2

4x2-8x+425a2+10a(x+y)+(x+y)2

50a-40a10a3b3c-100b2

4p(y+1)-36p(y+1)6(y+1)+m(y+1)

49-100b236x2-36y2

0.64x2-64(x+y)2-(3x-7y)2

100-180y+81y2(a-b)2+6m(a-b)+9m2

49n2-140n+10025a2+10a(x-y)+(x-y)2

5a-30ab4a3bc+90bc

12p(y+2)-8p(y+2)8(y+2)-m(y+2)

25-81m24x2-36y2

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

25-100m+100m2(x+y)2+8m(x+y)+16m2

25m2+90m+8116a2-8a(m-n)+(m-n)2

35a-70a3b16a3b2c-90b2

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

1-4n22x2-2y2

9m2-49(x+3y)2-(x+y)2

16-32a+16a2(x+y)2+12m(x+y)+36m2

49b2+140b+10036a2+12a(a-b)+(a-b)2

75a-10a220a3b2c+90b4

14q(2-b)-4q(2-b)4(2-b)+m(2-b)

9-64a232x2-32y2

0.25x2-4(5x+y)2-(3x-10y)2

25-30x+9x2(m+n)2-10m(m+n)+25m2

9n2+42n+4925a2+10a(a+b)+(a+b)2

90a3-50a34a3bc-40b4

12q(y+2)+20p(y+2)8(y+2)+m(y+2)

81-25a232x2-32y2

0.09y2-64(8x+3y)2-(x-y)2

25+20a+4a2(m-n)2+10m(m-n)+25m2

25x2+30x+916a2-8a(m-n)+(m-n)2

15a4+60a2b10ab2c-40b4

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

4-9n216x2-4y2

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

100+140b+49b2(x-y)2+4m(x-y)+4m2

4x2-36x+8136a2-12a(x-y)+(x-y)2

10a4-100a420abc-100bc

18p(4-b)-36p(4-b)6(4-b)-m(4-b)

81-16b248x2-3y2

0.09m2-121(x-y)2-(8x+y)2

1+4b+4b2(x+y)2-12m(x+y)+36m2

9y2+30y+259a2+6a(x-y)+(x-y)2

45a4-70a318ab2c+40b2

4q(x-2)-32p(x-2)8(x-2)+m(x-2)

100-100m218x2-2y2

9x2-324(7x+y)2-(x+10y)2

16+48m+36m2(x-y)2-6m(x-y)+9m2

100b2+140b+4925a2+10a(x-y)+(x-y)2

50a+80a38ab3c+40b3c

4q(5-a)-20q(5-a)8(5-a)+m(5-a)

1-81m2100x2-16y2

49b2-16(x-y)2-(x+8y)2

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

9n2+42n+494a2-4a(x-y)+(x-y)2

60a4+70ab8abc+50bc

20p(x-5)-28q(x-5)4(x-5)-m(x-5)

25-4b275x2-12y2

49y2-9(x+y)2-(6x-10y)2

36-96b+64b2(m+n)2+8m(m+n)+16m2

100a2-20a+136a2+12a(m-n)+(m-n)2

70a+50ab18a2b2c-80b4

4p(y-5)-8p(y-5)4(y-5)-m(y-5)

100-100b2100x2-100y2

0.25b2-169(6x-y)2-(x-10y)2

4-12n+9n2(x+y)2+6m(x+y)+9m2

36b2-36b+916a2+8a(a-b)+(a-b)2

55a4+70a416a3bc-90bc

18p(2-a)-24q(2-a)2(2-a)-m(2-a)

100-25x264x2-16y2

0.04x2-256(x-y)2-(2x+y)2

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

16b2-72b+8125a2+10a(m-n)+(m-n)2

10a2-10a4b20a3b3c+10b2c

8p(6-a)-20q(6-a)2(6-a)+m(6-a)

49-9y250x2-32y2

0.64m2-289(x-4y)2-(2x-y)2

81+72y+16y2(m-n)2+4m(m-n)+4m2

16a2-8a+14a2-4a(a-b)+(a-b)2

25a-40a414a4bc+50b2

20p(y-7)-16q(y-7)4(y-7)-m(y-7)

25-81b218x2-2y2

49x2-121(3x-y)2-(x+y)2

9-30m+25m2(x+y)2+10m(x+y)+25m2

16y2+80y+10025a2+10a(m+n)+(m+n)2

95a4-90a4b8a3bc+90b

10q(y-5)-24q(y-5)2(y-5)-m(y-5)

49-1y250x2-2y2

4x2-16(x+y)2-(5x+7y)2

9-12m+4m2(a-b)2+8m(a-b)+16m2

25m2-20m+416a2+8a(m+n)+(m+n)2

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