初中八年级数学上册因式分解练习题大全73.docx
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初中八年级数学上册因式分解练习题大全73
75a-20a2b14abc-40b3
20q(x-3)+4q(x-3)6(x-3)-m(x-3)
49-100x264x2-64y2
81b2-121(x+6y)2-(x+8y)2
1-8a+16a2(x-y)2-10m(x-y)+25m2
81b2+90b+2516a2-8a(a-b)+(a-b)2
x2+6x+8x2-5x-50
3x2-23x+40100-64a2
40a+10a20a4bc+30bc
12p(y-1)-40p(y-1)2(y-1)-m(y-1)
100-16m248x2-48y2
0.36n2-256(4x-2y)2-(7x+9y)2
64-112x+49x2(a-b)2+8m(a-b)+16m2
25m2-30m+99a2+6a(x-y)+(x-y)2
x2+13x+42x2-6x-40
3x2+18x+2481-36a2
25a-50a220a2b3c+100b
4p(9-a)+32q(9-a)2(9-a)-m(9-a)
64-36b264x2-16y2
25x2-169(7x-6y)2-(6x-y)2
1+8x+16x2(m-n)2+12m(m-n)+36m2
81b2-108b+3616a2-8a(a+b)+(a+b)2
x2+10x+16x2+1x-30
2x2-26x+7216-9n2
100a3-40ab8abc+100b4c
8p(x+9)+12q(x+9)6(x+9)+m(x+9)
1-9y250x2-50y2
81n2-256(5x+5y)2-(x-y)2
4+12b+9b2(x-y)2+4m(x-y)+4m2
16a2-40a+2525a2-10a(a+b)+(a+b)2
x2+10x+21x2-3x-18
5x2+38x+489-100a2
5a4+70a2b2ab2c+20bc
12q(y+1)-12p(y+1)2(y+1)+m(y+1)
100-25m23x2-48y2
0.04a2-25(3x-4y)2-(x-8y)2
81-108y+36y2(x+y)2-6m(x+y)+9m2
64y2-128y+6425a2+10a(a+b)+(a+b)2
x2+10x+24x2-6x-40
5x2+20x+1581-16n2
90a+50a8a4b2c-100b3
4p(x-1)+20p(x-1)2(x-1)+m(x-1)
36-49x28x2-50y2
0.64y2-361(9x-2y)2-(x+y)2
4+24b+36b2(m+n)2+12m(m+n)+36m2
4a2-32a+6416a2-8a(m+n)+(m+n)2
x2-5x+4x2+6x-16
10x2+41x+2164-16a2
35a-60ab12abc-80b3c
6q(9+a)-24p(9+a)6(9+a)-m(9+a)
25-25y24x2-16y2
0.49x2-400(5x+y)2-(3x+7y)2
4+24x+36x2(m-n)2+10m(m-n)+25m2
25x2+80x+6436a2+12a(m-n)+(m-n)2
x2-10x+9x2-5x-36
5x2+42x+1681-49b2
35a+70a3b10a2bc-20b
4q(1-b)+36q(1-b)8(1-b)+m(1-b)
36-100m236x2-4y2
0.64m2-49(6x+6y)2-(5x-y)2
100+140m+49m2(x+y)2+10m(x+y)+25m2
36x2+72x+364a2-4a(x+y)+(x+y)2
x2-11x+28x2+7x-8
4x2-18x+2025-4b2
70a2+30a34ab3c+20bc
16p(7+a)+12p(7+a)8(7+a)-m(7+a)
9-64n236x2-4y2
49x2-64(x+y)2-(x+8y)2
49-56y+16y2(m+n)2+8m(m+n)+16m2
9x2+42x+499a2-6a(a+b)+(a+b)2
x2+9x+18x2-7x-18
10x2+11x+364-25y2
50a+80a2b18a4b3c-40b4
16p(9-a)+16p(9-a)2(9-a)-m(9-a)
100-49n23x2-12y2
16b2-4(8x+y)2-(6x-y)2
1-18n+81n2(x-y)2+4m(x-y)+4m2
9y2-36y+3625a2+10a(a+b)+(a+b)2
x2+7x+10x2+4x-45
4x2-20x+2149-49a2
30a2+80a6a4b2c+40b4c
14q(5-a)-28p(5-a)2(5-a)+m(5-a)
25-36x24x2-16y2
4m2-49(7x-y)2-(7x-y)2
81+36x+4x2(a+b)2+12m(a+b)+36m2
64n2-64n+1616a2-8a(m-n)+(m-n)2
x2+10x+25x2-4x-32
15x2-75x+9016-36x2
5a-10a46a2b3c+90b3c
16p(x+5)-28q(x+5)8(x+5)+m(x+5)
1-64x248x2-12y2
0.64b2-36(x+4y)2-(x-y)2
25-70a+49a2(m+n)2-10m(m+n)+25m2
4m2+32m+649a2-6a(x-y)+(x-y)2
x2+11x+30x2-7x-18
12x2-39x+99-81y2
60a2+70a36a2b2c+50b2c
20q(x+5)-28p(x+5)6(x+5)-m(x+5)
100-36n232x2-2y2
0.81y2-25(x+3y)2-(6x-y)2
25+70m+49m2(m+n)2-8m(m+n)+16m2
49y2-56y+1625a2-10a(x-y)+(x-y)2
x2+15x+56x2+2x-35
4x2-34x+701-49a2
20a+40a18a4bc-70b3c
20p(4-b)-20p(4-b)6(4-b)-m(4-b)
16-100n212x2-12y2
0.16y2-196(8x-3y)2-(4x-y)2
16+24y+9y2(a+b)2-12m(a+b)+36m2
9a2-42a+4925a2-10a(x+y)+(x+y)2
x2-17x+72x2+5x-50
4x2+31x+4225-36m2
80a+50a20ab3c+20b3c
10q(5-a)-16p(5-a)2(5-a)-m(5-a)
49-49m216x2-100y2
64m2-4(4x+y)2-(x+7y)2
16-16m+4m2(m-n)2-12m(m-n)+36m2
100b2-80b+1636a2+12a(m-n)+(m-n)2
x2+10x+21x2+7x-18
8x2+6x+181-36n2
30a+30a316abc-100b
18q(y-6)-28q(y-6)6(y-6)+m(y-6)
36-81m264x2-64y2
0.36m2-196(x-3y)2-(2x+9y)2
9+60b+100b2(a+b)2-10m(a+b)+25m2
49b2-126b+8116a2-8a(x-y)+(x-y)2
x2+16x+63x2+8x-9
10x2+35x+259-25y2
20a+40a4b6ab2c+10b3
10q(x-7)-36p(x-7)4(x-7)-m(x-7)
36-25y23x2-3y2
4x2-100(x-y)2-(x-7y)2
25+60b+36b2(x-y)2+8m(x-y)+16m2
49m2+98m+4925a2-10a(a-b)+(a-b)2
x2+7x+10x2-7x-30
8x2-38x+94-4x2
55a+30a4b8a3bc+10b4
4p(4-a)+16q(4-a)2(4-a)-m(4-a)
64-9x22x2-18y2
49n2-81(x+6y)2-(8x-7y)2
64+128x+64x2(a-b)2+8m(a-b)+16m2
16y2+24y+936a2-12a(x-y)+(x-y)2
x2-10x+25x2+6x-7
3x2+30x+2764-100x2
10a3-40a12a2bc-80b4c
12q(4-a)-32p(4-a)2(4-a)+m(4-a)
64-9m2100x2-100y2
0.09n2-1(6x+y)2-(2x-8y)2
36-96y+64y2(x-y)2+4m(x-y)+4m2
81a2-36a+44a2+4a(x-y)+(x-y)2
x2+14x+48x2+6x-7
3x2-27x+42100-81m2
15a-50a10a3b2c+30b4
8q(x+2)+16p(x+2)2(x+2)+m(x+2)
81-25a236x2-64y2
0.49a2-121(4x+6y)2-(8x-y)2
4-12x+9x2(x-y)2-4m(x-y)+4m2
64x2+144x+8116a2-8a(x-y)+(x-y)2
x2+5x+6x2+4x-32
6x2+32x+42100-49m2
75a4+50a42a3bc-90b
4p(y-8)-16p(y-8)4(y-8)+m(y-8)
36-81b236x2-36y2
9b2-324(x+5y)2-(x+10y)2
4-12m+9m2(a-b)2+12m(a-b)+36m2
100x2-120x+364a2-4a(m-n)+(m-n)2
x2+7x+10x2-6x-40
12x2-31x+716-81x2
20a-100a2b8a4bc-90b
4p(y-8)-8p(y-8)4(y-8)+m(y-8)
100-16b22x2-50y2
0.04b2-121(x-5y)2-(7x+7y)2
1+12n+36n2(x-y)2+10m(x-y)+25m2
25m2+100m+1009a2+6a(a+b)+(a+b)2
x2+5x+6x2+5x-50
16x2+32x+124-100b2
90a+20ab8abc-20bc
4p(x+3)-4p(x+3)4(x+3)-m(x+3)
64-16n250x2-2y2
0.36x2-121(3x+y)2-(x+7y)2
1+16n+64n2(a-b)2-8m(a-b)+16m2
36a2-12a+14a2-4a(x-y)+(x-y)2
x2-10x+24x2+5x-6
8x2-22x+154-25y2
60a4+10a18ab2c+20b4c
10q(x-8)-36q(x-8)2(x-8)+m(x-8)
9-64m264x2-16y2
0.04x2-64(x+y)2-(x+y)2
49+98b+49b2(x+y)2-12m(x+y)+36m2
49y2+70y+2516a2+8a(m-n)+(m-n)2
x2-17x+72x2+4x-21
10x2-70x+1001-64x2
90a3+60ab16a4b2c+40b2
18p(3-a)+28q(3-a)8(3-a)+m(3-a)
81-9b236x2-16y2
25x2-121(8x-y)2-(5x-8y)2
25-100m+100m2(m+n)2+10m(m+n)+25m2
4y2-16y+1636a2+12a(x-y)+(x-y)2
x2-11x+18x2-1x-30
6x2+36x+541-4x2
30a3+100a2b14abc-20b4c
18p(3+a)-28p(3+a)8(3+a)-m(3+a)
49-64m22x2-2y2
49x2-1(2x-y)2-(9x+y)2
36+24x+4x2(a-b)2+4m(a-b)+4m2
81b2-90b+2536a2+12a(m+n)+(m+n)2
x2+5x+6x2-3x-28
4x2+48x+8049-4y2
55a2-40a16a3bc-90bc
12p(y+4)+40q(y+4)6(y+4)-m(y+4)
4-81m264x2-4y2
0.25n2-25(x-6y)2-(6x-y)2
16-24a+9a2(x-y)2-10m(x-y)+25m2
81x2-126x+499a2+6a(x-y)+(x-y)2
x2+16x+64x2+7x-8
16x2-44x+3049-4y2
10a+30a20abc+50b2
4q(3-b)-12p(3-b)6(3-b)-m(3-b)
9-81y250x2-50y2
0.36a2-361(9x-y)2-(x+y)2
100-180n+81n2(x+y)2-6m(x+y)+9m2
64y2-48y+936a2-12a(x-y)+(x-y)2
x2+10x+16x2-7x-30
16x2-20x+616-16b2
30a4+40ab12a3b3c+50b2c
6q(x+3)-40q(x+3)6(x+3)-m(x+3)
9-81n216x2-4y2
9n2-361(x-y)2-(7x+8y)2
36-36a+9a2(m+n)2+10m(m+n)+25m2
36n2+12n+14a2-4a(m-n)+(m-n)2
x2-14x+45x2-5x-14
16x2+68x+7216-25y2
75a-20a214a2b2c+20b2
8q(8+a)-40q(8+a)6(8+a)-m(8+a)
9-36a236x2-100y2
0.16y2-64(x-y)2-(x+8y)2
4+36y+81y2(x-y)2-10m(x-y)+25m2
16a2-32a+169a2+6a(a+b)+(a+b)2
x2-13x+36x2-8x-20
16x2-80x+10016-16a2
15a3-60a210a4bc+50b4c
16p(x-2)-36q(x-2)2(x-2)-m(x-2)
25-4b23x2-3y2
0.09b2-81(x-y)2-(3x-8y)2
4+16y+16y2(x-y)2-8m(x-y)+16m2
9m2-36m+3636a2-12a(a+b)+(a+b)2
x2-13x+42x2-6x-16
3x2+11x+816-36x2
70a2-100a3b18abc+70bc
8q(x-1)+40q(x-1)8(x-1)-m(x-1)
64-64m264x2-16y2
0.49y2-1(x+6y)2-(x-9y)2
36-36m+9m2(x-y)2+10m(x-y)+25m2
49m2-56m+1625a2+10a(m-n)+(m-n)2
x2-15x+54x2-5x-14
20x2+48x+281-16x2
45a4+60a2b12ab2c+100b4c
20p(y-4)+28q(y-4)6(y-4)+m(y-4)
36-9a2100x2-36y2
0.04y2-4(x-y)2-(x+9y)2
36+108n+81n2(m+n)2+6m(m+n)+9m2
81m2-126m+499a2-6a(a-b)+(a-b)2
x2-11x+30x2-9x-10
4x2-28x+4925-4y2
10a+10a18a4b3c-60b2
2p(y-4)+16p(y-4)4(y-4)-m(y-4)
49-64a232x2-8y2
9b2-400(x-3y)2-(x+8y)2
64-80b+25b2(m+n)2-4m(m+n)+4m2
25b2-10b+116a2+8a(x+y)+(x+y)2
x2-10x+24x2-6x-27
6x2+46x+8025-9m2
50a4-90ab2a2bc-80b4
12p(2-a)-40p(2-a)8(2-a)+m(2-a)
100-9b22x2-2y2
36b2-256(3x+y)2-(5x-y)2
64+144m+81m2(a-b)2+6m(a-b)+9m2
64b2+80b+259a2-6a(x+y)+(x+y)2
x2+15x+54x2+4x-21
5x2+48x+2725-9x2
95a3+30a3b18ab2c-30b
2p(y-3)+12p(y-3)6(y-3)-m(y-3)
16-64n227x2-3y2
0.81b2-400(4x-y)2-(x-y)2
4-40x+100x2(x+y)2+12m(x+y)+36m2
64a2-80a+2516a2+8a(a+b)+(a+b)2
x2+12x+32x2-5x-6
16x2-28x+1064-25n2
35a-50ab10abc+10b
20p(5+a)+4q(5+a)8(5+a)+m(5+a)
100-64m248x2-3y2
0.64m2-121(x+y)2-(x-y)2
49+28b+4b2(a+b)2+10m(a+b)+25m2
64x2+128x+6436a2+12a(m+n)+(m+n)2
x2-16x+64x2+3x-18
9x2+36x+3281-25n2
25a-40ab16a4b2c+90bc
8q(1+b)-32p(1+b)2(1+b)+m(1+b)
49-16n248x2-75y2
25a2-400(x+3y)2-(x+9y)2