部编版初二数学上册因式分解专项习题85.docx
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部编版初二数学上册因式分解专项习题85
95a+60a312a4b2c+90b
12p(5-b)-32p(5-b)6(5-b)+m(5-b)
100-81b24x2-36y2
0.25a2-25(7x+y)2-(8x-y)2
16+32a+16a2(m+n)2+8m(m+n)+16m2
9b2+48b+6425a2-10a(x-y)+(x-y)2
x2+15x+56x2+5x-50
5x2+25x+2049-25n2
25a+20a10ab2c-20b2
12q(x-5)-24q(x-5)2(x-5)+m(x-5)
25-81y2100x2-4y2
9m2-400(5x+y)2-(2x+y)2
1+14b+49b2(a+b)2+6m(a+b)+9m2
36b2-48b+1636a2-12a(a-b)+(a-b)2
x2+3x+2x2-5x-50
20x2-54x+36100-64m2
85a2-60a318abc-10b
18p(y-1)-8q(y-1)2(y-1)-m(y-1)
36-4y212x2-48y2
4y2-144(7x-3y)2-(6x-y)2
100+80m+16m2(a-b)2-12m(a-b)+36m2
100a2+160a+6416a2+8a(m+n)+(m+n)2
x2+6x+8x2+6x-27
8x2-18x+981-49n2
80a+70a20ab3c+30b3
6q(y+3)-12p(y+3)4(y+3)+m(y+3)
4-16m275x2-3y2
49b2-196(x+6y)2-(8x+y)2
100+100b+25b2(m-n)2-12m(m-n)+36m2
16n2-64n+649a2+6a(a+b)+(a+b)2
x2-8x+16x2-5x-50
4x2+24x+204-36b2
75a-20ab16abc-90bc
2p(9+a)-12q(9+a)2(9+a)-m(9+a)
1-9m250x2-8y2
36n2-196(7x+y)2-(5x+7y)2
4-40y+100y2(a+b)2+10m(a+b)+25m2
81y2-36y+425a2+10a(m-n)+(m-n)2
x2-4x+4x2-5x-6
16x2+32x+1264-16n2
100a-40a2ab3c+50b2c
14q(8+b)+16p(8+b)8(8+b)-m(8+b)
49-16x264x2-4y2
0.04n2-361(2x+4y)2-(x-y)2
36-72x+36x2(a+b)2-10m(a+b)+25m2
25m2+60m+3616a2-8a(x-y)+(x-y)2
x2+10x+24x2-7x-8
6x2-36x+3025-36n2
45a4-30ab20abc-20bc
12q(3+a)+28p(3+a)6(3+a)-m(3+a)
49-16y22x2-8y2
64m2-36(3x-y)2-(x+y)2
100-60y+9y2(m-n)2-10m(m-n)+25m2
4a2+36a+8116a2-8a(x+y)+(x+y)2
x2-8x+15x2+9x-10
10x2+30x+2025-9n2
10a3+40ab8ab2c-10bc
16p(6-a)+4q(6-a)4(6-a)+m(6-a)
36-36b248x2-3y2
0.64x2-324(x+4y)2-(2x+y)2
64+144b+81b2(a-b)2-12m(a-b)+36m2
36m2+36m+925a2+10a(m-n)+(m-n)2
x2+10x+16x2+6x-7
8x2-48x+40100-16a2
35a+80a42ab3c+100bc
6p(9+b)-36p(9+b)2(9+b)+m(9+b)
36-64b218x2-50y2
0.09b2-121(x+y)2-(9x+7y)2
9+30a+25a2(a+b)2+6m(a+b)+9m2
49n2+28n+44a2+4a(x+y)+(x+y)2
x2+11x+18x2-1x-30
10x2+58x+409-64n2
85a-20a218abc-60b
4q(1-a)-8p(1-a)6(1-a)+m(1-a)
25-81b275x2-75y2
0.49b2-64(x-y)2-(3x+y)2
9+12b+4b2(a+b)2-6m(a+b)+9m2
16x2-80x+1004a2+4a(m-n)+(m-n)2
x2+9x+20x2+3x-40
12x2+58x+6036-64n2
100a+40a3b16ab3c+30b2
4p(x-3)+16p(x-3)8(x-3)-m(x-3)
1-64b2100x2-64y2
0.81n2-196(x-y)2-(x+y)2
16+80y+100y2(a-b)2+12m(a-b)+36m2
64m2-96m+3625a2+10a(x+y)+(x+y)2
x2+9x+14x2+3x-18
12x2-38x+209-36a2
95a4+90a34a4b2c+90b
12p(1-b)-32p(1-b)4(1-b)-m(1-b)
36-64y232x2-18y2
0.49a2-81(5x+y)2-(x+y)2
64-32b+4b2(m+n)2-10m(m+n)+25m2
4a2+20a+254a2-4a(x+y)+(x+y)2
x2+14x+45x2-2x-35
10x2+29x+2164-4n2
85a-100a3b10a3bc+100b
10q(5+a)+16q(5+a)8(5+a)+m(5+a)
64-81a248x2-12y2
64n2-9(x-2y)2-(5x-9y)2
1+10y+25y2(m-n)2-10m(m-n)+25m2
81m2-108m+3636a2+12a(m+n)+(m+n)2
x2+10x+21x2+2x-24
10x2-17x+636-16n2
65a3+50a20a4bc+90bc
16p(y+5)+16p(y+5)8(y+5)-m(y+5)
100-16y232x2-2y2
0.04a2-256(x+y)2-(6x-9y)2
81+72n+16n2(m-n)2+8m(m-n)+16m2
81x2-54x+99a2+6a(x-y)+(x-y)2
x2-8x+12x2-8x-20
12x2-30x+1836-25y2
35a+10a4b14ab3c-40b
6p(5+b)-4p(5+b)6(5+b)-m(5+b)
100-9n212x2-3y2
0.81n2-400(3x-y)2-(4x-10y)2
25+70n+49n2(x-y)2-8m(x-y)+16m2
36m2+48m+164a2-4a(m-n)+(m-n)2
x2-13x+42x2-8x-20
20x2+43x+141-4b2