初二数学上册因式分解练习题大全72.docx

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初二数学上册因式分解练习题大全72.docx

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初二数学上册因式分解练习题大全72.docx

初二数学上册因式分解练习题大全72

25+20x+4x2(m+n)2+4m(m+n)+4m2

4n2+12n+916a2-8a(a-b)+(a-b)2

x2+11x+24x2-8x-9

12x2+34x+1449-49a2

100a-30ab12a4bc-60bc

16q(y-2)-32q(y-2)8(y-2)+m(y-2)

36-16a250x2-2y2

25y2-1(x-y)2-(x+8y)2

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

4n2+32n+6425a2+10a(a+b)+(a+b)2

x2-10x+16x2-4x-21

15x2+48x+964-36y2

15a2-40a28a2bc-90b3

18q(y-5)+16p(y-5)4(y-5)+m(y-5)

16-4a218x2-2y2

0.09m2-64(x+2y)2-(5x-y)2

1+8b+16b2(x+y)2-8m(x+y)+16m2

36n2-48n+169a2-6a(m-n)+(m-n)2

x2+8x+15x2+8x-20

6x2+38x+6064-100a2

95a-100a4ab2c-100bc

14p(y+2)-24q(y+2)2(y+2)-m(y+2)

4-36b227x2-48y2

4y2-9(7x-y)2-(9x-10y)2

64+128m+64m2(x-y)2+6m(x-y)+9m2

9y2+60y+10016a2-8a(x-y)+(x-y)2

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

5x2-13x+825-4x2

75a2-30ab10ab2c-90b3

4q(2+b)+24q(2+b)6(2+b)+m(2+b)

36-49b250x2-32y2

0.49a2-324(3x+6y)2-(x+y)2

36+120b+100b2(a+b)2-12m(a+b)+36m2

9y2-48y+6425a2-10a(a-b)+(a-b)2

x2+6x+8x2-5x-50

16x2-56x+4016-100a2

95a+80a2a3bc+40b2

10q(x+5)+32p(x+5)4(x+5)+m(x+5)

16-25n236x2-64y2

0.81n2-16(x+2y)2-(8x+y)2

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

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

x2+9x+18x2-4x-21

12x2-19x+464-64b2

60a+10ab2ab2c+80bc

6q(8-b)-16p(8-b)6(8-b)-m(8-b)

9-4x227x2-75y2

9m2-400(2x+y)2-(x+y)2

4+20b+25b2(m+n)2-12m(m+n)+36m2

9a2+36a+3625a2+10a(x-y)+(x-y)2

x2+7x+10x2-3x-18

5x2+13x+664-4b2

15a3+100a216abc+20bc

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

9-9b24x2-36y2

4x2-225(7x+y)2-(x-8y)2

16-80a+100a2(x-y)2+4m(x-y)+4m2

64y2+112y+499a2+6a(x+y)+(x+y)2

x2-14x+48x2+5x-24

4x2-28x+244-100b2

75a+90ab4ab2c+70b2

14q(7-a)+16p(7-a)8(7-a)-m(7-a)

25-25x216x2-64y2

0.16a2-100(x+2y)2-(4x+10y)2

36+84a+49a2(a-b)2-10m(a-b)+25m2

81a2-72a+1625a2-10a(m-n)+(m-n)2

x2+7x+10x2+3x-18

9x2+27x+1836-16a2

100a+40a420a4b2c-30b2

16p(y+5)-8p(y+5)4(y+5)-m(y+5)

16-81y218x2-32y2

64a2-100(x+y)2-(8x-8y)2

81-54y+9y2(m+n)2+4m(m+n)+4m2

25a2+60a+3636a2-12a(m-n)+(m-n)2

x2-8x+16x2-7x-18

8x2+14x+525-16x2

15a+20a38ab3c+90b2c

6p(1-a)+32q(1-a)8(1-a)+m(1-a)

16-49a250x2-50y2

0.81b2-196(x+4y)2-(x+y)2

100-60x+9x2(x-y)2+4m(x-y)+4m2

81y2-126y+499a2-6a(a-b)+(a-b)2

x2-16x+63x2+6x-27

12x2-36x+249-49x2

20a+30a320ab2c+90b4c

10q(4+a)-16p(4+a)6(4+a)+m(4+a)

9-9n218x2-18y2

16a2-16(x-y)2-(x-y)2

64-96x+36x2(a-b)2+12m(a-b)+36m2

100x2+180x+8136a2-12a(x-y)+(x-y)2

x2+11x+18x2-5x-14

2x2-17x+354-81y2

95a4+40a14a3bc-70b3

14q(y-8)+4q(y-8)4(y-8)+m(y-8)

49-25b264x2-36y2

0.25m2-225(4x+y)2-(3x-y)2

1-8m+16m2(x-y)2-6m(x-y)+9m2

16b2+72b+8116a2-8a(a-b)+(a-b)2

x2+17x+72x2+4x-45

4x2+28x+4949-81x2

10a+80ab10a2b2c-60b

18q(7-b)+28p(7-b)4(7-b)+m(7-b)

1-36y232x2-2y2

0.04a2-81(x+3y)2-(9x+9y)2

16-80a+100a2(a+b)2+10m(a+b)+25m2

49m2+112m+649a2+6a(x-y)+(x-y)2

x2-7x+10x2+5x-14

20x2-51x+281-100b2

30a3-50a2b10ab3c+70b2

16q(x-3)+16p(x-3)8(x-3)-m(x-3)

25-9y212x2-48y2

0.16a2-81(4x+y)2-(5x-y)2

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

64x2+112x+4925a2+10a(x-y)+(x-y)2

x2+9x+20x2+6x-27

2x2-19x+429-49a2

20a4+50a14a2b2c+70b2c

12q(8-b)-28p(8-b)4(8-b)-m(8-b)

16-9y22x2-32y2

49x2-121(x+y)2-(7x-y)2

36+120y+100y2(m+n)2+12m(m+n)+36m2

9m2-54m+814a2+4a(m-n)+(m-n)2

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

20x2+73x+63100-9b2

50a4+50ab4ab3c-80b

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

16-49y28x2-2y2

0.16n2-4(x-y)2-(x+y)2

36+108y+81y2(m-n)2+4m(m-n)+4m2

81b2+180b+10016a2+8a(a+b)+(a+b)2

x2-10x+16x2-8x-9

4x2+16x+74-16x2

70a+20a26abc+70b2

14p(x-2)+32q(x-2)6(x-2)-m(x-2)

25-81x236x2-4y2

36b2-121(5x+y)2-(6x+8y)2

4-20b+25b2(x-y)2+4m(x-y)+4m2

49x2-14x+116a2-8a(a+b)+(a+b)2

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

4x2-32x+6464-9a2

50a-40a420abc-40b3

12p(x-8)-20q(x-8)6(x-8)-m(x-8)

16-36b22x2-18y2

0.04m2-36(8x-3y)2-(x-y)2

64-80a+25a2(a-b)2+12m(a-b)+36m2

16n2-56n+4916a2-8a(a-b)+(a-b)2

x2-12x+27x2-2x-24

20x2-19x+39-49m2

80a2-90a4b14ab2c-50b2

12q(x-2)+36p(x-2)6(x-2)+m(x-2)

4-25y227x2-27y2

0.49m2-256(x-2y)2-(7x-9y)2

25+40b+16b2(m-n)2+8m(m-n)+16m2

25b2+60b+364a2+4a(x+y)+(x+y)2

x2-12x+27x2-1x-30

4x2-24x+2025-25n2

85a3-20ab6abc+10b4c

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

9-16x216x2-36y2

0.49n2-9(x-5y)2-(x+8y)2

49-70a+25a2(a+b)2+4m(a+b)+4m2

36n2+24n+436a2+12a(x+y)+(x+y)2

x2+16x+63x2-8x-9

12x2+58x+7025-25m2

85a3-60a2ab2c+30b3

4p(9-b)+20q(9-b)8(9-b)-m(9-b)

4-16x248x2-3y2

0.04x2-121(x+y)2-(x+y)2

1+20a+100a2(x+y)2+10m(x+y)+25m2

16m2-64m+644a2+4a(m-n)+(m-n)2

x2-14x+48x2+9x-10

3x2-12x+925-49n2

70a-60a6ab3c+90b2

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

4-25a275x2-3y2

25x2-100(6x-6y)2-(3x+y)2

1+10n+25n2(x-y)2+12m(x-y)+36m2

25y2+70y+4916a2-8a(a+b)+(a+b)2

x2+11x+28x2+6x-7

20x2-50x+3081-16b2

30a3-20ab8a4b3c-20b

6q(x-5)+36p(x-5)2(x-5)+m(x-5)

1-81y232x2-50y2

16x2-64(7x+y)2-(x-y)2

49-98n+49n2(x-y)2+6m(x-y)+9m2

4n2-24n+3636a2-12a(x-y)+(x-y)2

x2+8x+16x2-6x-7

6x2+20x+6100-100y2

65a4-30a2b20a4b2c+100b

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

64-100a236x2-64y2

0.04x2-100(x+y)2-(x-y)2

1-6b+9b2(a-b)2-4m(a-b)+4m2

100y2+20y+14a2+4a(x-y)+(x-y)2

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

20x2+62x+489-100x2

50a2+40a28a4b2c+30b

2p(y+4)+4p(y+4)6(y+4)+m(y+4)

16-64b227x2-12y2

16n2-169(9x+3y)2-(x-7y)2

100-60x+9x2(x+y)2+12m(x+y)+36m2

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

x2-17x+72x2+2x-35

10x2-26x+1216-81m2

75a4+50ab12a3bc+30b

10q(x-7)+28p(x-7)2(x-7)-m(x-7)

49-4n2100x2-36y2

0.64m2-196(x+4y)2-(9x+10y)2

16-48y+36y2(a+b)2+8m(a+b)+16m2

49b2+140b+1009a2-6a(x+y)+(x+y)2

x2+4x+4x2-4x-21

2x2+14x+2049-49a2

30a4-10a3b10a4b3c-40b3

6p(9+b)-28q(9+b)4(9+b)+m(9+b)

36-36n216x2-4y2

36a2-361(x+y)2-(x-8y)2

64-80x+25x2(a-b)2+6m(a-b)+9m2

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

x2+18x+81x2-3x-18

4x2+41x+4581-9x2

35a+90a3b2a2bc-10b4

20q(9+b)+12q(9+b)4(9+b)-m(9+b)

49-25y22x2-2y2

36a2-144(4x+y)2-(x-7y)2

1+20b+100b2(x+y)2+10m(x+y)+25m2

4x2+16x+164a2+4a(a+b)+(a+b)2

x2-5x+4x2+6x-7

12x2-23x+1016-9a2

40a3+30a4b2abc+50bc

2q(9-a)+4q(9-a)8(9-a)-m(9-a)

1-81b24x2-100y2

4m2-196(8x+y)2-(x-10y)2

49+84n+36n2(x-y)2+12m(x-y)+36m2

16a2-64a+6436a2-12a(m-n)+(m-n)2

x2-8x+16x2-6x-7

8x2+26x+211-16m2

5a4+20ab8a4b3c+100b4c

16q(x+5)-8p(x+5)2(x+5)-m(x+5)

64-25y232x2-50y2

0.09x2-1(x+2y)2-(x+9y)2

9-48a+64a2(a-b)2+4m(a-b)+4m2

36a2+72a+3636a2-12a(m-n)+(m-n)2

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

8x2-22x+59-4n2

55a3-60a3b16a3bc-100b4c

14p(y+7)-8q(y+7)2(y+7)-m(y+7)

36-9x218x2-32y2

25m2-289(4x+2y)2-(x+9y)2

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

25x2+40x+1636a2+12a(m-n)+(m-n)2

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

9x2-12x+325-81a2

80a3+50a16a2b3c+30bc

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

16-81x24x2-4y2

0.16y2-121(x-y)2-(8x+y)2

16-24n+9n2(x+y)2-6m(x+y)+9m2

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

x2-10x+16x2+4x-32

5x2+46x+91-81y2

15a2-10a412a2bc-80b3

8p(5-b)+36p(5-b)8(5-b)-m(5-b)

36-100b227x2-3y2

0.64m2-25(9x-y)2-(7x+y)2

81-180m+100m2(a-b)2+4m(a-b)+4m2

25n2-90n+8136a2+12a(m+n)+(m+n)2

x2+7x+10x2-4x-32

3x2-14x+151-25y2

60a4+60a16a2bc-30b3

10q(y+8)+8p(y+8)2(y+8)+m(y+8)

36-16x23x2-3y2

0.81n2-64(x-5y)2-(x+9y)2

36-24y+4y2(a-b)2-4m(a-b)+4m2

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

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

3x2-9x+664-36a2

30a3-20a310ab3c-80b3c

12p(y-2)+32q(y-2)8(y-2)+m(y-2)

36-64b236x2-36y2

36a2-9(6x-6y)2-(x+10y)2

9+18y+9y2(a+b)2+6m(a+b)+9m2

49n2-126n+814a2-4a(x+y)+(x+y)2

x2+9x+14x2+3x-28

20x2-44x+2436-25n2

25a+100a26a3bc-50b3c

18p(6+b)-24q(6+b)4(6+b)-m(6+b)

9-4b248x2-3y2

36n2-361(6x-3y)2-(4x+y)2

4+8y+4y2(x+y)2-6m(x+y)+9m2

81a2-162a+8116a2+8a(m+n)+(m+n)2

x2+8x+12x2-6x-40

5x2-48x+279-16m2

10a+70ab8a3bc-70bc

2p(x+3)-36q(x+3)6(x+3)+m(x+3)

36-81n232x2-18y2

0.25b2-4(9x-5y)2-(3x-y)2

1+12x+36x2(x-y)2-12m(x-y)+36m2

16y2+56y+4936a2+12a(m-n)+(m-n)2

x2-14x+48x2+4x-32

12x2+52x+4064-49a2

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