初中八年级数学上册因式分解练习题大全72.docx
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初中八年级数学上册因式分解练习题大全72
36+72m+36m2(a+b)2-4m(a+b)+4m2
64n2+96n+3616a2+8a(m-n)+(m-n)2
x2-9x+14x2+7x-30
12x2+53x+5649-49x2
100a2+20a210a4b2c-40b4c
18q(2-b)+32q(2-b)4(2-b)+m(2-b)
49-49n232x2-32y2
0.25a2-361(x-y)2-(6x-y)2
100+100m+25m2(a+b)2-8m(a+b)+16m2
64y2-32y+425a2+10a(m-n)+(m-n)2
x2-5x+6x2+2x-24
4x2+46x+904-100y2
20a-60a6ab2c+10b
4p(y-8)-40q(y-8)6(y-8)+m(y-8)
4-64m250x2-50y2
25a2-256(5x-3y)2-(4x-8y)2
81-180n+100n2(a-b)2+12m(a-b)+36m2
49n2+14n+136a2-12a(a-b)+(a-b)2
x2+5x+4x2-7x-30
15x2+34x+1564-81m2
90a2+50a12a2bc-40b
2p(6+b)+8q(6+b)2(6+b)+m(6+b)
9-100y2100x2-100y2
0.36a2-121(8x-y)2-(5x+8y)2
25-90x+81x2(m+n)2+8m(m+n)+16m2
100b2-80b+169a2+6a(x+y)+(x+y)2
x2+7x+10x2+4x-45
8x2-42x+2764-4x2
20a4+70a2b16ab2c-50bc
14p(9-b)+32q(9-b)2(9-b)+m(9-b)
36-49a275x2-75y2
16a2-1(6x+4y)2-(x-10y)2
49+84b+36b2(x-y)2-10m(x-y)+25m2
64b2-160b+10016a2-8a(m-n)+(m-n)2
x2+4x+3x2-9x-10
20x2-67x+5664-4y2
85a2+90ab16abc+70bc
14p(2-a)-32q(2-a)6(2-a)+m(2-a)
64-4b264x2-100y2
9b2-289(9x-5y)2-(x-y)2
9+42m+49m2(m+n)2+6m(m+n)+9m2
16n2+56n+499a2-6a(m-n)+(m-n)2
x2-10x+25x2-5x-50
9x2-39x+4064-25y2
55a3+10a8a2bc-60b3c
12p(x-6)-32p(x-6)2(x-6)+m(x-6)
16-81m22x2-8y2
0.49y2-1(8x+y)2-(6x+y)2
36-84b+49b2(m+n)2-6m(m+n)+9m2
4n2+12n+936a2+12a(m-n)+(m-n)2
x2-7x+10x2+3x-28
12x2+46x+2064-36x2
40a2-90a4b10a4bc+70b3
14q(3+a)-20p(3+a)2(3+a)-m(3+a)
4-81b275x2-48y2
0.25b2-361(7x-y)2-(x+8y)2
100-180y+81y2(x+y)2-6m(x+y)+9m2
100a2-160a+644a2-4a(m-n)+(m-n)2
x2-16x+63x2+4x-12
5x2-18x+94-9y2
10a3+40a26ab3c-30b4c
12p(5+a)+12p(5+a)2(5+a)+m(5+a)
64-25y227x2-3y2
49b2-169(x+y)2-(7x-y)2
9-42m+49m2(x+y)2-10m(x+y)+25m2
16a2-16a+425a2+10a(a+b)+(a+b)2
x2+12x+35x2+2x-24
3x2-6x+325-49b2
30a4+10ab2ab3c-20b
18p(4+b)-16p(4+b)2(4+b)+m(4+b)
100-16m28x2-2y2
25m2-289(7x+5y)2-(9x+7y)2
16-24y+9y2(m-n)2-10m(m-n)+25m2
25x2+50x+2525a2+10a(x+y)+(x+y)2
x2-14x+48x2-3x-18
2x2-5x+29-100y2
65a2-70a220abc-10b4c
2p(x-8)+4q(x-8)6(x-8)+m(x-8)
100-4x227x2-75y2
9m2-169(4x-y)2-(5x+y)2
49+112n+64n2(x-y)2-10m(x-y)+25m2
49y2+140y+1004a2-4a(m-n)+(m-n)2
x2+13x+36x2-3x-18
5x2-53x+3016-81m2
20a+70a10a4b2c-30b3
14q(y+6)-24q(y+6)8(y+6)+m(y+6)
4-25n236x2-36y2
25b2-36(x+3y)2-(x+y)2
1+6y+9y2(m+n)2+4m(m+n)+4m2
64m2+80m+254a2-4a(x-y)+(x-y)2
x2+12x+27x2+5x-6
4x2-10x+616-36m2
30a-80a14abc+50b4c
10p(9+a)-4q(9+a)8(9+a)+m(9+a)
9-36b227x2-48y2
0.04b2-361(2x+y)2-(x-y)2
9+18m+9m2(m-n)2-10m(m-n)+25m2
4n2+12n+94a2-4a(m+n)+(m+n)2
x2+8x+7x2-3x-40
10x2+42x+816-64y2
40a3+40a3b8a3b3c-40b4c
12q(4+a)-40q(4+a)6(4+a)+m(4+a)
36-81n22x2-32y2
0.49x2-16(5x+y)2-(x-8y)2
64+144y+81y2(m-n)2+12m(m-n)+36m2
4x2-24x+3636a2+12a(a+b)+(a+b)2
x2-11x+18x2-6x-27
6x2+32x+3225-49y2
40a-20a26a2bc+70b2
14q(7-b)-36q(7-b)6(7-b)-m(7-b)
100-81y232x2-18y2
0.64y2-25(x-y)2-(8x+7y)2
81+162y+81y2(a+b)2+4m(a+b)+4m2
16b2-24b+916a2+8a(x-y)+(x-y)2
x2+10x+24x2-7x-18
2x2+22x+6016-4y2
15a3+40a214a2b3c+60b2c
10p(3+b)-24p(3+b)4(3+b)+m(3+b)
64-49b28x2-18y2
0.16m2-4(x+5y)2-(x+y)2
25+20b+4b2(x+y)2-8m(x+y)+16m2
100b2-40b+416a2+8a(m+n)+(m+n)2
x2-13x+42x2-7x-18
5x2-21x+1849-9m2
35a-50ab12a2b2c+50b2c
18q(3+a)+16q(3+a)2(3+a)-m(3+a)
1-81n275x2-75y2
25a2-36(3x-4y)2-(4x-y)2
1+16a+64a2(a+b)2-10m(a+b)+25m2
25b2+90b+8125a2-10a(a-b)+(a-b)2
x2-11x+30x2+3x-18
9x2+36x+201-100a2
20a+20a3b14abc-10bc
18q(x+8)-40p(x+8)6(x+8)-m(x+8)
100-36x227x2-3y2
0.36b2-25(7x-2y)2-(x-y)2
25-60n+36n2(x-y)2-6m(x-y)+9m2
100b2+100b+259a2+6a(m-n)+(m-n)2
x2+9x+18x2-4x-21
9x2+24x+151-25y2
65a4-70a2b14abc-80bc
2p(4+a)-28p(4+a)2(4+a)+m(4+a)
64-25a227x2-48y2
0.49a2-324(x+y)2-(5x-9y)2
25-60b+36b2(m+n)2-8m(m+n)+16m2
49n2-140n+1004a2-4a(x+y)+(x+y)2
x2-14x+48x2-5x-36
15x2-62x+639-16y2
30a4-10a36abc-90b2c
4q(1+a)-28q(1+a)4(1+a)-m(1+a)
36-9m232x2-8y2
36b2-9(6x-2y)2-(x+9y)2
16-80a+100a2(a+b)2+10m(a+b)+25m2
4x2-8x+416a2-8a(a+b)+(a+b)2
x2+13x+36x2-5x-36
20x2-78x+7025-25m2
60a-90a16a3bc-70b3
6p(6-b)-16q(6-b)2(6-b)-m(6-b)
100-49n264x2-64y2
9x2-64(x+y)2-(3x+y)2
64-160a+100a2(m+n)2+10m(m+n)+25m2
49a2+70a+259a2-6a(x-y)+(x-y)2
x2-11x+18x2-5x-50
8x2+56x+909-4m2
30a-30ab10abc+100b4
8p(5+b)+4p(5+b)6(5+b)+m(5+b)
16-81x2100x2-4y2
0.81b2-25(x+6y)2-(x+y)2
49-112y+64y2(a-b)2-12m(a-b)+36m2
64m2-16m+116a2+8a(m+n)+(m+n)2
x2-14x+48x2-6x-7
9x2-36x+3225-81n2
10a-70ab18ab3c-70bc
12q(y-9)+12q(y-9)6(y-9)-m(y-9)
36-64b28x2-18y2
0.16x2-289(x+y)2-(4x-y)2
100-140a+49a2(x-y)2-12m(x-y)+36m2
9b2-24b+1636a2-12a(a+b)+(a+b)2
x2-10x+9x2+5x-36
4x2+39x+5664-36b2
100a2-20ab8a2b3c+40b
18p(5+b)-12q(5+b)4(5+b)+m(5+b)
64-64x2100x2-4y2
0.09b2-196(x-y)2-(x-y)2
4-16m+16m2(x-y)2+12m(x-y)+36m2
64a2-32a+49a2+6a(x-y)+(x-y)2
x2+11x+28x2-4x-12
4x2-20x+981-64b2
50a2-30a2b20a3b2c-100bc
20p(1-b)+28p(1-b)6(1-b)+m(1-b)
4-4y22x2-2y2
0.81m2-169(6x+y)2-(3x+9y)2
1+14y+49y2(a-b)2+8m(a-b)+16m2
100b2+20b+125a2-10a(x+y)+(x+y)2
x2+13x+36x2-6x-16
9x2-36x+3249-25m2
70a3-10a416abc+100b4c
2q(y+3)-24p(y+3)2(y+3)-m(y+3)
25-9b22x2-2y2
0.81a2-324(x-5y)2-(x-10y)2
49+140m+100m2(m+n)2+8m(m+n)+16m2
64y2-64y+1625a2+10a(m+n)+(m+n)2
x2-8x+15x2+6x-16
16x2-36x+144-36a2
10a-90a3b18abc-10b2c
6q(x+1)-16q(x+1)8(x+1)+m(x+1)
25-49b23x2-12y2
25n2-256(x+6y)2-(9x-9y)2
36+108x+81x2(x-y)2-4m(x-y)+4m2
25y2+80y+649a2-6a(a+b)+(a+b)2
x2-13x+36x2+7x-8
5x2+27x+281-49a2
55a4+70a410a2bc-30b3c
16q(7+a)+8p(7+a)2(7+a)+m(7+a)
49-49a232x2-8y2
0.81m2-25(x-y)2-(x+8y)2
9+48b+64b2(a+b)2-6m(a+b)+9m2
16n2+48n+3625a2-10a(m+n)+(m+n)2
x2+10x+16x2-2x-35
9x2-39x+421-16y2
70a+80ab2abc+80b
18q(y-1)-8q(y-1)6(y-1)-m(y-1)
25-4b2100x2-36y2
9a2-25(x-6y)2-(x+y)2
36+48y+16y2(a-b)2-6m(a-b)+9m2
25a2+90a+8116a2-8a(x-y)+(x-y)2
x2+8x+12x2-3x-18
9x2+45x+501-49n2
50a4+100a14a2b3c+80b
14q(1-a)+28p(1-a)6(1-a)+m(1-a)
81-100x232x2-2y2
0.25n2-1(x-2y)2-(x-8y)2
100-40y+4y2(a-b)2+4m(a-b)+4m2
64m2-48m+99a2+6a(a-b)+(a-b)2
x2+8x+16x2-5x-36
5x2+34x+244-4n2
35a4-10a414a3bc-50b3
16p(x+6)-16p(x+6)2(x+6)+m(x+6)
25-64b24x2-36y2
0.09a2-169(x-y)2-(7x-10y)2
100-140y+49y2(a-b)2-4m(a-b)+4m2
64n2-144n+8136a2-12a(x-y)+(x-y)2
x2+10x+16x2-5x-36
6x2+34x+4825-25n2
45a-90ab20ab2c-80b3c
16p(y+2)-28p(y+2)6(y+2)+m(y+2)
49-49x236x2-64y2
64a2-169(x-y)2-(7x+7y)2
25-70a+49a2(a+b)2-10m(a+b)+25m2
100b2+180b+8116a2+8a(m+n)+(m+n)2
x2+5x+6x2-6x-7
16x2-8x+164-36x2
80a3-70a20ab2c+100b3c
16q(8-a)+24q(8-a)8(8-a)+m(8-a)
9-81m218x2-18y2
36b2-100(x-y)2-(x+9y)2
100+140m+49m2(a-b)2-12m(a-b)+36m2
16x2-56x+4925a2-10a(x+y)+(x+y)2
x2-9x+14x2-9x-10
12x2-34x+1425-16m2
90a+70a2b16abc+20b
14p(5+a)-32p(5+a)6(5+a)+m(5+a)
9-64n227x2-3y2
49y2-100(x-6y)2-(x+y)2
9+36y+36y2(a-b)2+8m(a-b)+16m2
9a2-6a+14a2+4a(x-y)+(x-y)2
x2+7x+10x2-5x-6
16x2+36x+1425-49a2
25a4-70a4b2a3bc+70b2c
2p(x-7)-16p(x-7)2(x-7)-m(x-7)
25-49y216x2-64y2
0.09m2-289(2x-y)2-(6x+y)2
49-56x+16x2(m+n)2+12m(m+n)+36m2
9a2-30a+254a2+4a(m+n)+(m+n)2
x2+7x+6x2-4x-32
6x2-17x+124-16x2
25a-100a20a2bc+30b3
6p(x+5)+20p(x+5)8(x+5)-m(x+5)
49-4x24x2-100y2
0.49n2-289(6x-6y)2-(9x+7y)2
36-48x+16x2(x+y)2+4m(x+y)+4m2
25b2-80b+6425a2+10a(a-b)+(a-b)2
x2-7x+12x2+4x-21
16x2+40x+981-4x2
85a2+10a312ab3c+60b4c
16q(3-b)-40q(3-b)6(3-b)+m(3-b)
100-100y216x2-64y2
0.81n2-144(2x-y)2-(x-9y)2
100-100y+25y2(x-y)2+10m(x-y)+25m2
36m2-96m+649a2-6a(a+b)+(a+b)2
x2+7x+12x2-3x-28
10x2-27x+184-4x2
10a+60a2b6abc-10bc
4q(x-4)-20q(x-4)2(x-4)-m(x-4)
4-16b23x2-48y2
81y2-361(5x+y)2-(x+10y)2
100-160x+64x2(x+y)2+6m(x+y)+9m2
49a2+56a+1636a2+12a(a+b)+(a+b)2
x2-11x+18x2-4x-32
6x2-27x+2149-49b2