初二数学上册因式分解练习题大全20.docx
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初二数学上册因式分解练习题大全20.docx
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初二数学上册因式分解练习题大全20
64-160m+100m2(a-b)2+4m(a-b)+4m2
4n2+8n+425a2-10a(a+b)+(a+b)2
x2-8x+15x2+9x-10
8x2+30x+189-16n2
20a4-70a12a2b3c-10b2c
10p(x+4)-4p(x+4)4(x+4)+m(x+4)
9-36x232x2-32y2
0.25b2-100(6x+y)2-(6x-y)2
25-50x+25x2(x+y)2-4m(x+y)+4m2
49b2+126b+819a2+6a(m+n)+(m+n)2
x2-11x+30x2+4x-45
12x2-41x+2416-64b2
30a3+40ab4ab3c-40b2c
20p(9-a)+32q(9-a)2(9-a)-m(9-a)
64-9a218x2-18y2
64y2-81(x-6y)2-(9x+10y)2
100+140b+49b2(x+y)2+12m(x+y)+36m2
9m2+6m+116a2+8a(a-b)+(a-b)2
x2-11x+30x2+6x-16
2x2+13x+1864-49b2
20a-40ab8abc+70b
8p(y+3)+40q(y+3)4(y+3)+m(y+3)
81-49m218x2-2y2
16x2-16(9x-y)2-(2x+y)2
100-40y+4y2(m-n)2-12m(m-n)+36m2
36m2-84m+4925a2-10a(x-y)+(x-y)2
x2+11x+18x2-9x-10
4x2+28x+481-25n2
60a4-70a8a4bc-20bc
4p(x-1)-16p(x-1)8(x-1)-m(x-1)
81-25a24x2-100y2
25y2-400(3x+3y)2-(6x-y)2
64+128m+64m2(a+b)2+8m(a+b)+16m2
36a2-48a+1616a2+8a(m+n)+(m+n)2
x2+11x+30x2+3x-40
8x2-36x+404-100m2
50a4+10a410a2bc+60b3
14p(6-a)-24p(6-a)6(6-a)+m(6-a)
36-4n212x2-75y2
0.81a2-4(x+5y)2-(x-9y)2
4+24m+36m2(a-b)2-6m(a-b)+9m2
9m2+48m+6425a2-10a(a+b)+(a+b)2
x2-8x+7x2-5x-24
4x2-28x+49100-16n2
55a-30a3b14abc+30b2
10q(y-8)+8p(y-8)6(y-8)-m(y-8)
81-4b227x2-75y2
64y2-289(x-3y)2-(x+y)2
4-24a+36a2(m-n)2+8m(m-n)+16m2
36y2-108y+814a2-4a(m-n)+(m-n)2
x2-4x+3x2+1x-30
8x2+16x+664-9x2
75a2+90ab4abc+20b
10q(7+b)-24p(7+b)4(7+b)-m(7+b)
36-64a236x2-36y2
81a2-16(7x+4y)2-(4x+7y)2
100+140y+49y2(m-n)2+8m(m-n)+16m2
81m2+108m+3636a2+12a(x+y)+(x+y)2
x2+5x+6x2-5x-24
12x2+52x+5616-9a2
20a-70a2b4a3bc-30b4c
12q(y-3)+20q(y-3)4(y-3)+m(y-3)
25-36b218x2-8y2
0.64b2-64(x+3y)2-(x+10y)2
49-84y+36y2(m+n)2-6m(m+n)+9m2
9m2+30m+2516a2-8a(m+n)+(m+n)2
x2-9x+14x2-2x-35
8x2+50x+5016-36m2
90a-70ab8a4bc-90b4
2p(6-a)+16p(6-a)6(6-a)+m(6-a)
9-49a232x2-2y2
16a2-169(x-6y)2-(x+7y)2
25+20y+4y2(a+b)2+4m(a+b)+4m2
81m2-108m+3636a2+12a(x-y)+(x-y)2
x2+6x+8x2-8x-20
6x2-32x+1025-100a2
10a+50a218a2bc+100b
14q(9-a)+24p(9-a)6(9-a)-m(9-a)
16-36a28x2-8y2
0.64a2-144(x+6y)2-(x+y)2
16-72n+81n2(x-y)2+10m(x-y)+25m2
25a2-80a+644a2-4a(x+y)+(x+y)2
x2+4x+4x2-6x-27
15x2+59x+561-4m2
80a-10a4ab2c-10b2
20q(9-a)-20q(9-a)2(9-a)+m(9-a)
49-64m232x2-32y2
25n2-169(x-5y)2-(x+y)2
36+72n+36n2(x+y)2+6m(x+y)+9m2
25a2-70a+494a2-4a(x-y)+(x-y)2
x2+10x+24x2-2x-35
6x2-41x+704-49x2
40a+90ab12abc-100b3c
12p(9+b)-28p(9+b)8(9+b)+m(9+b)
16-4m248x2-75y2
0.81n2-81(x+6y)2-(x-10y)2
36+72m+36m2(x-y)2+6m(x-y)+9m2
49n2+14n+116a2-8a(m+n)+(m+n)2
x2+9x+8x2-7x-8
3x2-35x+7216-25m2
75a3+60a318abc+80b
4q(2+a)+36q(2+a)4(2+a)+m(2+a)
49-64m232x2-2y2
16b2-36(9x+y)2-(x-9y)2
36+120y+100y2(m+n)2-4m(m+n)+4m2
64m2-32m+436a2+12a(a-b)+(a-b)2
x2-12x+32x2-3x-18
3x2+23x+309-4n2
40a+70ab14ab3c-90b
4q(1-a)-8p(1-a)4(1-a)-m(1-a)
4-9y23x2-12y2
36x2-1(3x-4y)2-(x+y)2
36-48n+16n2(m+n)2-8m(m+n)+16m2
81a2-36a+44a2+4a(x+y)+(x+y)2
x2+9x+20x2+8x-9
12x2+63x+8164-4a2
60a-90ab18abc+10b4c
2p(3-a)+8q(3-a)4(3-a)+m(3-a)
4-4b23x2-48y2
0.36x2-324(x+4y)2-(6x-8y)2
100+140a+49a2(m-n)2+8m(m-n)+16m2
4n2-16n+1625a2-10a(a-b)+(a-b)2
x2-9x+14x2+7x-8
6x2+41x+639-100x2
45a3+50a318abc-90bc
6p(y-5)+20p(y-5)6(y-5)+m(y-5)
9-36x28x2-8y2
0.49n2-400(4x-y)2-(3x+y)2
9-18b+9b2(a-b)2+6m(a-b)+9m2
49a2-14a+125a2-10a(x+y)+(x+y)2
x2+7x+10x2-5x-36
16x2-44x+1064-4n2
10a2+50a48abc+80bc
14p(x-3)+4p(x-3)8(x-3)-m(x-3)
36-4m232x2-18y2
0.64a2-4(x-y)2-(2x-y)2
64+80x+25x2(a-b)2+6m(a-b)+9m2
81n2-126n+494a2+4a(x+y)+(x+y)2
x2+5x+4x2-8x-9
9x2+36x+324-100m2
45a+40a46abc-100b3
4q(x-2)-20p(x-2)6(x-2)+m(x-2)
64-100x250x2-32y2
9n2-49(x+3y)2-(8x+8y)2
9+36x+36x2(a+b)2+8m(a+b)+16m2
81m2+108m+369a2-6a(x+y)+(x+y)2
x2-9x+20x2-3x-40
16x2-56x+4816-25x2
90a-80a24a4bc-60bc
10q(4-a)-8q(4-a)2(4-a)-m(4-a)
100-81a275x2-3y2
36n2-289(5x+y)2-(x-y)2
25+20a+4a2(m-n)2-4m(m-n)+4m2
64n2-48n+99a2-6a(m+n)+(m+n)2
x2-7x+10x2-4x-12
4x2-18x+836-4x2
40a-80a20abc-100bc
12q(y-8)-4p(y-8)6(y-8)-m(y-8)
49-25y227x2-48y2
0.49a2-256(3x-6y)2-(6x+y)2
64-48a+9a2(x-y)2-4m(x-y)+4m2
16n2-64n+644a2+4a(m-n)+(m-n)2
x2-14x+45x2+8x-9
3x2-22x+2481-16x2
40a-90a4b20ab3c-50b
2p(x+7)+8q(x+7)2(x+7)+m(x+7)
64-25m275x2-27y2
81m2-100(4x-4y)2-(9x+7y)2
9-18y+9y2(m+n)2-12m(m+n)+36m2
100y2+140y+494a2+4a(x-y)+(x-y)2
x2-5x+6x2+7x-8
4x2-24x+32100-64y2
55a-60a3b2abc+90bc
14p(y-7)-40q(y-7)6(y-7)+m(y-7)
25-81a275x2-12y2
81n2-64(4x+y)2-(9x+9y)2
16+64n+64n2(x+y)2-12m(x+y)+36m2
36a2-60a+2516a2+8a(m+n)+(m+n)2
x2+10x+16x2+3x-40
16x2-44x+1849-64a2
30a4-60a42a3b3c-90b2
8p(8+b)-32q(8+b)4(8+b)+m(8+b)
25-25n236x2-64y2
0.09y2-144(x-y)2-(x-y)2
1-18a+81a2(x-y)2+4m(x-y)+4m2
81m2+36m+425a2+10a(a+b)+(a+b)2
x2+13x+36x2+4x-45
5x2-40x+354-4n2
60a3-90a18a4b2c-20b4
20p(1-b)+20q(1-b)8(1-b)+m(1-b)
81-25m227x2-3y2
0.25y2-400(9x-y)2-(x-9y)2
100-200n+100n2(x+y)2-10m(x+y)+25m2
81b2+180b+1004a2-4a(m-n)+(m-n)2
x2-11x+28x2-6x-40
4x2+21x+564-16m2
35a-50a18abc+90b4
14q(y+7)-28q(y+7)8(y+7)-m(y+7)
16-9a248x2-75y2
81m2-9(x-2y)2-(x+y)2
36-72n+36n2(m-n)2+8m(m-n)+16m2
4m2+12m+99a2-6a(x-y)+(x-y)2
x2+15x+54x2+2x-24
5x2+40x+6016-36n2
70a-40a18ab3c-60b2
2q(y-8)+24q(y-8)2(y-8)+m(y-8)
100-4y264x2-100y2
0.16y2-49(x+y)2-(x-y)2
64+32n+4n2(m+n)2-6m(m+n)+9m2
81x2+18x+14a2+4a(a+b)+(a+b)2
x2-9x+14x2-5x-36
20x2-50x+30100-49b2
65a-100a2b14ab3c-50b2
10p(x-5)+12q(x-5)2(x-5)-m(x-5)
81-16x227x2-27y2
0.09a2-64(x-2y)2-(x-y)2
25-80b+64b2(a+b)2-6m(a+b)+9m2
81a2+18a+116a2-8a(a-b)+(a-b)2
x2-10x+16x2+6x-16
20x2+56x+3636-81y2
20a+60ab12ab2c-100b
10q(x+4)-28p(x+4)2(x+4)+m(x+4)
64-16n28x2-32y2
25x2-324(7x+y)2-(4x-y)2
9-30m+25m2(a-b)2+6m(a-b)+9m2
81m2-54m+936a2-12a(a-b)+(a-b)2
x2+9x+14x2-7x-8
15x2+21x+69-9a2
20a-80a316abc-100b3
6p(3-b)-16q(3-b)6(3-b)+m(3-b)
100-36m212x2-48y2
4m2-289(x-y)2-(x+y)2
9-48y+64y2(a+b)2+12m(a+b)+36m2
16x2-16x+425a2+10a(a+b)+(a+b)2
x2+13x+36x2-5x-36
6x2+31x+1881-64m2
25a-100a4a2b2c+40bc
6p(3-a)-40p(3-a)8(3-a)-m(3-a)
4-25n24x2-64y2
0.81y2-324(3x+5y)2-(x-8y)2
100+180y+81y2(x+y)2+6m(x+y)+9m2
9x2-36x+3616a2-8a(m-n)+(m-n)2
x2-10x+21x2+8x-20
9x2+48x+6381-100n2
45a+70ab14a2b3c-90b3
10q(1-a)-28p(1-a)6(1-a)+m(1-a)
1-100m218x2-8y2
25y2-4(2x-2y)2-(x+y)2
100-80a+16a2(m+n)2-12m(m+n)+36m2
25x2+10x+19a2-6a(m-n)+(m-n)2
x2-5x+6x2+4x-32
9x2-48x+631-64y2
85a2-40ab6a2b3c-90b
10q(6-a)+20q(6-a)8(6-a)+m(6-a)
100-4x248x2-27y2
0.49m2-256(x-3y)2-(x+y)2
1+16b+64b2(a-b)2-4m(a-b)+4m2
81a2+18a+19a2-6a(x+y)+(x+y)2
x2-14x+45x2-4x-12
12x2-45x+4264-25b2
10a2+40a14ab3c-100b
14p(2+a)+16q(2+a)8(2+a)+m(2+a)
1-25x250x2-32y2
0.09x2-289(x-y)2-(x+9y)2
1-18a+81a2(m-n)2+8m(m-n)+16m2
25b2+50b+254a2+4a(x+y)+(x+y)2
x2+13x+36x2-5x-24
15x2+36x+2164-49m2
25a+80a4b14a3bc+10b2
20q(y-8)+40p(y-8)8(y-8)-m(y-8)
25-16x23x2-12y2
4n2-289(8x-3y)2-(x+9y)2
100-100m+25m2(x-y)2-12m(x-y)+36m2
100a2-180a+8125a2+10a(a+b)+(a+b)2
x2-13x+42x2-7x-30
5x2+30x+40100-49x2
65a+60a2b10a4b2c+60b4
12q(7+a)+8p(7+a)6(7+a)+m(7+a)
16-16x22x2-18y2
36m2-121(6x+5y)2-(2x+y)2
16-32y+16y2(x-y)2-8m(x-y)+16m2
16m2-8m+125a2+10a(x+y)+(x+y)2
x2+7x+12x2-8x-9
16x2-48x+2016-4b2
15a2+80a310ab2c+50b2
10q(1+b)+24p(1+b)8(1+b)-m(1+b)
36-64n24x2-16y2
25a2-361(x+3y)2-(7x+y)2
16-48m+36m2(a-b)2+12m(a-b)+36m2
4b2-36b+8125a2-10a(a-b)+(a-b)2
x2+14x+48x2-2x-35
10x2-41x+4064-81y2
85a2+90a210a3bc-100b3c
20q(4-a)+8p(4-a)2(4-a)+m(4-a)
1-9y23x2-75y2
49x2-196(9x+5y)2-(2x-9y)2
81+36n+4n2(m+n)2+8m(m+n)+16m2
4n2+40n+10016a2-8a(x-y)+(x-y)2
x2+3x+2x2+2x-24
8x2+44x+60100-100x2
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