人教版初中八年级数学上册因式分解练习题大全85.docx
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人教版初中八年级数学上册因式分解练习题大全85.docx
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人教版初中八年级数学上册因式分解练习题大全85
95a2-60a2b6a4bc-80b3c
2q(8+b)-40p(8+b)8(8+b)+m(8+b)
100-25n216x2-16y2
0.81m2-49(x+y)2-(5x+9y)2
25+70m+49m2(x+y)2+6m(x+y)+9m2
4b2-36b+8116a2-8a(m+n)+(m+n)2
10a2+90ab18a3b2c+10bc
10q(6-a)-4q(6-a)4(6-a)+m(6-a)
16-100n275x2-75y2
0.81y2-16(6x-y)2-(x+10y)2
36+108x+81x2(a+b)2-4m(a+b)+4m2
9y2-18y+99a2-6a(a+b)+(a+b)2
50a2+100ab4a2bc-80b2c
16q(1+b)+32q(1+b)6(1+b)+m(1+b)
1-16m232x2-32y2
9m2-196(x-5y)2-(4x-y)2
4+12m+9m2(x+y)2+8m(x+y)+16m2
36b2+72b+364a2+4a(a+b)+(a+b)2
75a2-100ab8a2b3c+90b2
20q(9-a)-24q(9-a)8(9-a)+m(9-a)
49-25m2100x2-64y2
0.81a2-225(x-6y)2-(8x-y)2
4-16n+16n2(x-y)2-12m(x-y)+36m2
4a2+8a+425a2-10a(m-n)+(m-n)2
50a4+70ab4abc+80b3
8p(5+b)-12q(5+b)2(5+b)-m(5+b)
36-16x275x2-75y2
64b2-169(6x-y)2-(5x-8y)2
25-30x+9x2(x+y)2+10m(x+y)+25m2
36a2-108a+819a2+6a(a+b)+(a+b)2
60a4-100a8a2bc+60b
8q(x-4)-4q(x-4)2(x-4)-m(x-4)
100-36x264x2-64y2
36y2-100(x+2y)2-(7x+9y)2
1+18n+81n2(a+b)2-6m(a+b)+9m2
64x2-64x+169a2-6a(x-y)+(x-y)2
20a4+10a320a4bc-60bc
2q(1+a)+4p(1+a)2(1+a)+m(1+a)
1-64b275x2-12y2
0.09a2-324(4x+3y)2-(4x-7y)2
36+24y+4y2(x+y)2-6m(x+y)+9m2
16m2-72m+8136a2+12a(a+b)+(a+b)2
85a4+60ab18abc-100b4c
4q(y+3)-24p(y+3)4(y+3)-m(y+3)
1-9x22x2-2y2
0.49x2-25(2x+3y)2-(9x+y)2
81+180n+100n2(a+b)2+12m(a+b)+36m2
9y2+36y+364a2-4a(a-b)+(a-b)2
15a2-80a2b6a4b3c+40b4c
14p(2-b)-28p(2-b)8(2-b)+m(2-b)
49-4x227x2-48y2
0.16n2-16(x+4y)2-(8x-y)2
49+126a+81a2(a-b)2+6m(a-b)+9m2
64a2+32a+49a2+6a(a+b)+(a+b)2
25a-20a314ab3c-70b3c
4p(3+a)-12p(3+a)6(3+a)+m(3+a)
81-4a250x2-50y2
36m2-25(8x+y)2-(x+y)2
49+98y+49y2(m-n)2+10m(m-n)+25m2
36a2-72a+3616a2-8a(m-n)+(m-n)2
70a4+60a2b10abc-90b4
4q(y+4)-20q(y+4)4(y+4)-m(y+4)
81-64n216x2-100y2
0.64b2-225(x+y)2-(x-9y)2
49-28a+4a2(a-b)2-8m(a-b)+16m2
4y2-12y+936a2-12a(x-y)+(x-y)2
65a2+40ab6a4b2c+40bc
12q(1-a)+4q(1-a)2(1-a)+m(1-a)
4-64x264x2-100y2
64y2-121(8x+2y)2-(8x+8y)2
81-54m+9m2(x+y)2-8m(x+y)+16m2
49m2-70m+259a2-6a(a+b)+(a+b)2
70a2+20ab18abc+30b
8p(y+6)-36p(y+6)8(y+6)-m(y+6)
36-9m218x2-18y2
16x2-256(x+5y)2-(x+10y)2
36-48m+16m2(x+y)2+4m(x+y)+4m2
16m2-8m+14a2+4a(m+n)+(m+n)2
35a3-50ab4abc+90b3
20q(9-a)-4p(9-a)6(9-a)-m(9-a)
100-1n2100x2-100y2
81a2-36(9x+4y)2-(6x+y)2
81-108n+36n2(x+y)2+8m(x+y)+16m2
25b2-100b+10016a2-8a(x+y)+(x+y)2
65a4-40ab4a3bc+80b2c
8p(y-8)-32p(y-8)4(y-8)+m(y-8)
64-49b24x2-36y2
36m2-81(x-y)2-(x+7y)2
64-160b+100b2(x+y)2+10m(x+y)+25m2
16b2+72b+8136a2+12a(a-b)+(a-b)2
10a2-70a2b18a4b2c-40b3c
12p(5-a)-24q(5-a)4(5-a)-m(5-a)
81-81m275x2-12y2
16y2-361(6x-y)2-(x-9y)2
4-32m+64m2(a+b)2-8m(a+b)+16m2
64b2+48b+925a2+10a(x+y)+(x+y)2
65a-50ab2a4b3c+30b
18p(y+1)+36p(y+1)6(y+1)+m(y+1)
64-81b218x2-2y2
0.49y2-49(x+y)2-(9x-9y)2
100+180y+81y2(x-y)2+6m(x-y)+9m2
16a2-24a+916a2-8a(a-b)+(a-b)2
15a-20ab2a2bc+40b2c
4p(9-b)-12q(9-b)8(9-b)+m(9-b)
1-9m232x2-8y2
36m2-121(8x+y)2-(8x+9y)2
100-100a+25a2(m+n)2-4m(m+n)+4m2
49x2-56x+169a2+6a(a-b)+(a-b)2
85a+10a2b2a4b2c+90b
4p(3-b)-40q(3-b)4(3-b)-m(3-b)
9-1x22x2-18y2
36a2-4(x+y)2-(5x-y)2
49-98n+49n2(a-b)2-8m(a-b)+16m2
49n2+126n+814a2-4a(m-n)+(m-n)2
100a-50a412abc+60b3
8q(1-a)+28q(1-a)8(1-a)+m(1-a)
1-100x250x2-8y2
0.81x2-144(3x-3y)2-(x-7y)2
4+32m+64m2(x+y)2-12m(x+y)+36m2
4y2-8y+49a2+6a(m-n)+(m-n)2
45a2+30a3b10a4bc-10bc
14p(y+8)+32p(y+8)6(y+8)-m(y+8)
1-9b227x2-3y2
0.09x2-324(x+y)2-(9x+y)2
100-120x+36x2(a-b)2-12m(a-b)+36m2
81b2+54b+925a2-10a(a-b)+(a-b)2
55a3-30a4abc-70b4
20p(2+b)-16p(2+b)2(2+b)+m(2+b)
1-16x236x2-36y2
4y2-81(x-3y)2-(4x+7y)2
64-128m+64m2(a-b)2-10m(a-b)+25m2
49n2+98n+4916a2-8a(m-n)+(m-n)2
35a-60a4b4a2b3c-40b4
2q(8-b)-28p(8-b)8(8-b)-m(8-b)
36-36a236x2-16y2
49n2-36(8x-y)2-(4x+9y)2
1-6y+9y2(x+y)2-4m(x+y)+4m2
49a2+14a+136a2-12a(a+b)+(a+b)2
20a2-10ab20a2bc+20bc
18q(6+a)-40p(6+a)8(6+a)-m(6+a)
81-100m24x2-16y2
0.25x2-256(4x+y)2-(x+9y)2
64+160n+100n2(x+y)2-12m(x+y)+36m2
81n2-36n+44a2+4a(m-n)+(m-n)2
15a+70ab10abc+60b
6q(6-b)+32q(6-b)2(6-b)+m(6-b)
9-64a248x2-27y2
0.16b2-256(x-y)2-(7x+9y)2
16-56a+49a2(x+y)2-10m(x+y)+25m2
4b2+28b+4916a2+8a(a+b)+(a+b)2
55a+30a3b6abc-50bc
4p(6+b)-12q(6+b)2(6+b)-m(6+b)
25-49n24x2-64y2
0.04m2-289(7x+y)2-(9x+7y)2
4+12x+9x2(x-y)2+10m(x-y)+25m2
49x2+84x+3625a2-10a(x-y)+(x-y)2
65a+90ab12a3b2c-50bc
2q(x-8)+4p(x-8)4(x-8)-m(x-8)
49-36y2100x2-100y2
0.16b2-121(4x+y)2-(x-9y)2
25-90a+81a2(x+y)2-10m(x+y)+25m2
9y2-6y+14a2-4a(x+y)+(x+y)2
5a-60ab2ab2c-40b3c
16q(y+4)-4p(y+4)8(y+4)+m(y+4)
25-49b28x2-18y2
64n2-225(6x-y)2-(x-10y)2
25-40b+16b2(x-y)2-6m(x-y)+9m2
9m2-24m+1625a2-10a(x+y)+(x+y)2
35a-30a418a4bc-10bc
6p(2+b)+24p(2+b)6(2+b)-m(2+b)
16-64x275x2-3y2
9n2-49(x+2y)2-(x+8y)2
49-70y+25y2(a+b)2-12m(a+b)+36m2
16m2+56m+499a2+6a(x-y)+(x-y)2
5a3-70a14a2bc-70bc
4q(y+6)-36p(y+6)2(y+6)-m(y+6)
25-100m250x2-32y2
0.04x2-1(x-6y)2-(4x-y)2
81+144y+64y2(x-y)2+4m(x-y)+4m2
16m2+40m+2536a2-12a(m-n)+(m-n)2
85a3-70ab16ab3c-60b
2q(x-7)+12p(x-7)4(x-7)-m(x-7)
81-16x236x2-36y2
0.81b2-100(8x+5y)2-(3x+y)2
4+32y+64y2(x-y)2+8m(x-y)+16m2
16m2-40m+254a2+4a(m+n)+(m+n)2
15a-20ab20a2b3c-50b4
8q(x+8)+32p(x+8)4(x+8)-m(x+8)
1-9n250x2-32y2
64x2-144(5x-y)2-(3x+8y)2
16+24n+9n2(m-n)2+4m(m-n)+4m2
81y2-126y+4916a2-8a(a+b)+(a+b)2
90a4-50a4b8a3b3c+60b4
8q(3-b)+36p(3-b)4(3-b)+m(3-b)
64-9b275x2-12y2
0.25a2-225(x-y)2-(4x+y)2
36+84x+49x2(x-y)2+6m(x-y)+9m2
64m2-96m+364a2+4a(m-n)+(m-n)2
75a3+100a3b18a4bc+50bc
2p(x+6)+40q(x+6)6(x+6)+m(x+6)
49-25a275x2-27y2
49m2-49(x-y)2-(x+8y)2
100-40x+4x2(x+y)2-4m(x+y)+4m2
4x2+12x+936a2-12a(x+y)+(x+y)2
75a-100a48a3b2c+40bc
2q(y+5)-40q(y+5)2(y+5)-m(y+5)
25-49m250x2-2y2
16y2-196(2x+y)2-(x-10y)2
81-90n+25n2(x+y)2+10m(x+y)+25m2
9y2-60y+10025a2+10a(a-b)+(a-b)2
80a+100a28a3b2c+80b2c
14p(y+4)-40q(y+4)2(y+4)-m(y+4)
9-16y28x2-32y2
0.04m2-256(5x+5y)2-(x+7y)2
1-20n+100n2(m-n)2+8m(m-n)+16m2
9x2-60x+10036a2-12a(a-b)+(a-b)2
90a4+70a14a3b3c+70b3
18q(1+a)+40p(1+a)4(1+a)+m(1+a)
1-4n212x2-27y2
49m2-4(2x+6y)2-(x+7y)2
36-108n+81n2(a-b)2+8m(a-b)+16m2
49x2-42x+94a2-4a(x-y)+(x-y)2
75a+40ab16a3bc+100b
20q(x+4)+24q(x+4)8(x+4)+m(x+4)
16-49n275x2-75y2
0.04a2-144(x-6y)2-(9x-8y)2
49-140n+100n2(x+y)2-10m(x+y)+25m2
16n2+40n+2525a2+10a(a-b)+(a-b)2
45a-40a3b14abc-10b
8q(x-9)-40p(x-9)8(x-9)-m(x-9)
64-1n250x2-8y2
36x2-16(3x-y)2-(x+y)2
36+120x+100x2(x-y)2-6m(x-y)+9m2
36a2-84a+499a2-6a(a-b)+(a-b)2
50a3-80a4b14a2bc-90bc
12p(y-6)+16p(y-6)8(y-6)+m(y-6)
1-81x28x2-2y2
25n2-49(x-y)2-(x-y)2
64+160y+100y2(x-y)2+10m(x-y)+25m2
81y2-180y+10016a2+8a(a+b)+(a+b)2
40a-100a12abc-100b
8q(x-8)-12p(x-8)4(x-8)+m(x-8)
81-4a2100x2-100y2
64b2-400(6x-y)2-(3x-y)2
36+72x+36x2(a+b)2-10m(a+b)+25m2
4x2+24x+364a2+4a(x+y)+(x+y)2
95a3+50ab12abc+100b2
14p(x+8)-20p(x+8)4(x+8)-m(x+8)
4-36a218x2-8y2
0.49x2-324(6x+3y)2-(9x+y)2
100+120y+36y2(a-b)2+12m(a-b)+36m2
100b2-200b+10025a2-10a(a-b)+(a-b)2
55a2-100a2a3b3c+40b2c
20p(5+a)+4p(5+a)2(5+a)-m(5+a)
1-16n22x2-8y2
25a2-225(x+y)2-(4x-y)2
9+42a+49a2(a+b)2-12m(a+b)+36m2
9b2+36b+3636a2-12a(m-n)+(m-n)2
80a-10a4abc+100b2c
18p(4+a)+8p(4+a)6(4+a)+m(4+a)
64-1y22x2-50y2
49m2-100(x-y)2-(9x-9y)2
4+32y+64y2(x+y)2-8m(x+y)+16m2
81n2+90n+259a2+6a(m-n)+(m-n)2
95a+30a4b8a3b2c-80b2
16q(x-7)+28p(x-7)2(x-7)-m(x-7)
64-4b23x2-12y2
0.49a2-25(7x+5y)2-(9x-9y)2
64-80b+25b2(a+b)2-8m(a+b)+16m2
36b2+72b+369a2+6a(m-n)+(m-n)2
20a+90a4abc-30b4c
12q(3-a)-28p(3-a)2(3-a)+m(3-a)
100-16x28x2-50y2
49a2-4(x-3y)2-(2x-y)2
36-120b+100b2(m-n)2+4m(m-n)+4m2
100y2+160y+649a2+6a(x-y)+(x-y)2
60a+70a412abc+70bc
16q(6+a)+16p(6+a)2(6+a)-m(6+a)
1-1b216x2-36y2
0.16x2-9(x-y)2-(x+y)2
36-36b+9b2(m+n)2-10m(m+n)+25m2
25y2-90y+8125a2-10a(m-n)+(m-n)2
85a-70a20ab3c+40bc
20q(9-a)-24q(9-a)8(9-a)+m(9-a)
1-1y2100x2-100y2
0.81a2-121(x+y)2-(4x+8y)2
4+8a+4a2(a+b)2-12m(a+b)+36m2
100y2+20y+136a2+12a(m-n)+(m-n)2
50a4+50a24ab2c-30bc
18q(8-a)+20p(8-a)8(8-a)+m(8-a)
81-49y250x2-18y2
0.25b2-1(6x+y)2-(x+y)2
36+36m+9m2(x+y)2+6m(x+y)+9m2
49b2-140b+10025a2+10a(a-b)+(a-b)2
15a3+100ab20a3bc-10bc
20q(y-9)-36q(y-9)8(y-9)-m(y-9)
16-64x28x2-32y2
9x2-4(3x+y)2-(x-y)2
16-80m+100m2(a-b)2-12m(a-b)+36m2
64x2-144x+814a2-4a(a-b)+(a-b)2
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