初二数学上册因式分解练习题大全78.docx
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初二数学上册因式分解练习题大全78.docx
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初二数学上册因式分解练习题大全78
16-72x+81x2(a+b)2+6m(a+b)+9m2
9x2+18x+94a2+4a(a+b)+(a+b)2
x2-11x+28x2-3x-28
4x2+22x+1836-49n2
40a+60a220ab3c-100bc
20q(y-9)+24p(y-9)4(y-9)-m(y-9)
64-64y22x2-2y2
0.49n2-16(4x+y)2-(x+y)2
49+84x+36x2(a+b)2+10m(a+b)+25m2
100x2-180x+8116a2+8a(x+y)+(x+y)2
x2-11x+24x2-2x-24
16x2+52x+3036-49x2
15a2-100ab14a3bc-40b
12q(7-a)-40p(7-a)8(7-a)+m(7-a)
64-4x23x2-3y2
9a2-64(7x-4y)2-(7x+y)2
25-100y+100y2(x+y)2-6m(x+y)+9m2
25m2+90m+8125a2+10a(x+y)+(x+y)2
x2-8x+12x2-4x-45
12x2-63x+819-100x2
5a+10ab6ab3c+20b3
12q(y+9)-16q(y+9)4(y+9)+m(y+9)
16-81n218x2-2y2
9n2-144(x+y)2-(x-7y)2
36+24a+4a2(x-y)2+8m(x-y)+16m2
64b2+144b+8136a2-12a(a+b)+(a+b)2
x2-16x+63x2-8x-9
9x2-39x+4036-81a2
95a3+50a22a3bc-20b
8q(8-b)-8q(8-b)4(8-b)-m(8-b)
1-100m264x2-16y2
0.36x2-289(4x-3y)2-(3x-y)2
16-32m+16m2(m+n)2+10m(m+n)+25m2
64x2+48x+916a2-8a(m+n)+(m+n)2
x2+11x+28x2+3x-18
12x2+23x+54-81n2
100a-70a2a3b2c+30b3c
4q(x+9)+20q(x+9)4(x+9)+m(x+9)
9-36x275x2-48y2
9x2-1(7x+4y)2-(x+8y)2
81-162n+81n2(a+b)2-8m(a+b)+16m2
81n2-126n+4936a2-12a(a-b)+(a-b)2
x2+11x+28x2-3x-18
6x2+38x+5616-100y2
45a-50a20abc-30bc
10q(y+4)+8q(y+4)8(y+4)-m(y+4)
16-25a275x2-48y2
0.81y2-49(2x+6y)2-(x-7y)2
9+36n+36n2(a+b)2+10m(a+b)+25m2
49y2+98y+494a2+4a(a+b)+(a+b)2
x2-4x+4x2-5x-24
4x2-32x+6364-49m2
70a4+30a12a4bc+80b
16p(y-9)-40q(y-9)2(y-9)+m(y-9)
36-25n227x2-27y2
9a2-36(6x+2y)2-(6x-y)2
1+6b+9b2(a-b)2-12m(a-b)+36m2
4x2+12x+94a2+4a(m+n)+(m+n)2
x2+12x+36x2-1x-30
6x2-35x+4916-49x2
90a2-90a16abc+100b
12p(1+b)-12p(1+b)6(1+b)-m(1+b)
36-81b216x2-64y2
0.04n2-100(x-y)2-(x+7y)2
4+40m+100m2(x+y)2+10m(x+y)+25m2
9a2+54a+8116a2+8a(x-y)+(x-y)2
x2+13x+36x2+9x-10
6x2+28x+321-16m2
10a+70a2b2a3b2c+60b
18p(9-a)+12q(9-a)6(9-a)-m(9-a)
4-25x23x2-48y2
0.09a2-9(x-4y)2-(x+y)2
81-108b+36b2(a+b)2+8m(a+b)+16m2
4n2-36n+8125a2+10a(x-y)+(x-y)2
x2-9x+20x2-3x-28
3x2-13x+124-16x2
15a+40a2b10ab3c+20b
2p(1+b)-4p(1+b)6(1+b)-m(1+b)
1-49b216x2-100y2
64m2-144(x-y)2-(x+y)2
1+12n+36n2(x-y)2+8m(x-y)+16m2
9n2-30n+2525a2-10a(x-y)+(x-y)2
x2-8x+12x2+5x-14
16x2-24x+536-36a2
85a3-10a36a3b3c+50b
6p(2-a)+20p(2-a)6(2-a)-m(2-a)
49-81b216x2-64y2
81a2-25(5x-y)2-(x-9y)2
9-48y+64y2(a+b)2-4m(a+b)+4m2
100y2-140y+4925a2-10a(a-b)+(a-b)2
x2+11x+18x2+3x-18
8x2+38x+4236-64y2
15a4-70ab10ab2c+90bc
16p(6+a)+28p(6+a)2(6+a)+m(6+a)
9-81n227x2-3y2
0.49b2-9(x-y)2-(x+y)2
1+16b+64b2(m-n)2+4m(m-n)+4m2
81a2+90a+259a2-6a(x+y)+(x+y)2
x2+11x+28x2+5x-14
12x2+37x+284-9m2
55a4+90a410abc-60b
10q(y-2)-16p(y-2)8(y-2)-m(y-2)
16-4y23x2-3y2
0.64x2-324(7x+y)2-(x-8y)2
16-16x+4x2(x+y)2+6m(x+y)+9m2
36x2-72x+3636a2-12a(x+y)+(x+y)2
x2+13x+36x2-6x-7
16x2-36x+20100-25y2
25a+10a2b20ab3c+40b2
20p(y-3)-24p(y-3)4(y-3)+m(y-3)
1-25n248x2-75y2
0.04a2-361(2x+y)2-(x-7y)2
49-84m+36m2(m-n)2+8m(m-n)+16m2
9x2+42x+499a2-6a(a+b)+(a+b)2
x2-10x+21x2-5x-36
5x2-54x+4064-64b2
85a4+30ab2a4b2c-60b
10q(y+9)-24q(y+9)8(y+9)+m(y+9)
9-16m28x2-2y2
49a2-64(8x-3y)2-(9x-9y)2
36+48x+16x2(x-y)2-12m(x-y)+36m2
81x2+126x+4925a2+10a(a-b)+(a-b)2
x2+12x+36x2+6x-7
6x2-21x+936-9a2
10a4-90a3b16a2b3c-60bc
6p(y-1)+36p(y-1)8(y-1)+m(y-1)
100-81n264x2-4y2
36m2-121(x-5y)2-(6x-y)2
81+72x+16x2(a+b)2+6m(a+b)+9m2
81n2-18n+116a2+8a(x+y)+(x+y)2
x2-11x+18x2-3x-18
15x2-64x+6425-9b2
70a+70a210abc+90b2c
8p(y-4)-40p(y-4)6(y-4)-m(y-4)
49-4b216x2-100y2
16n2-121(x-2y)2-(x-7y)2
36-48n+16n2(m+n)2-12m(m+n)+36m2
81m2+72m+1625a2-10a(a-b)+(a-b)2
x2-10x+24x2-6x-7
6x2-17x+1236-64a2
80a2+10a4b14ab3c-70b3c
18p(y-8)-16q(y-8)4(y-8)+m(y-8)
49-9n28x2-32y2
9m2-25(9x-y)2-(5x-10y)2
16-56a+49a2(x-y)2-8m(x-y)+16m2
81y2+180y+1004a2-4a(m-n)+(m-n)2
x2-11x+24x2+5x-6
10x2-41x+404-36n2
100a3+100a3b16ab3c-10b4c
8q(y+6)-20q(y+6)4(y+6)-m(y+6)
4-81a218x2-50y2
0.16a2-144(9x-2y)2-(x+9y)2
49+28x+4x2(x-y)2-4m(x-y)+4m2
49y2-56y+1636a2-12a(x-y)+(x-y)2
x2+13x+36x2+2x-24
4x2-16x+1564-81n2
50a4-50a418a4bc-40bc
16p(8+a)+8q(8+a)6(8+a)+m(8+a)
16-100m248x2-48y2
4y2-361(x-3y)2-(x-10y)2
16+56x+49x2(a-b)2+12m(a-b)+36m2
49x2-98x+499a2-6a(m-n)+(m-n)2
x2-8x+12x2+3x-18
20x2+70x+609-4n2
85a3+30a2b2a4bc-100b2c
8p(2+b)-40p(2+b)6(2+b)-m(2+b)
64-25b2100x2-36y2
64b2-196(x+3y)2-(5x-y)2
81-180a+100a2(a-b)2-10m(a-b)+25m2
16n2-48n+364a2+4a(x+y)+(x+y)2
x2+12x+27x2+2x-24
12x2+58x+7049-16m2
50a-90a12a2bc-80b4c
8p(5-a)-36p(5-a)8(5-a)-m(5-a)
1-49y248x2-12y2
4y2-144(x+5y)2-(7x-y)2
49+56b+16b2(x-y)2+4m(x-y)+4m2
81b2+108b+3616a2-8a(x-y)+(x-y)2
x2+5x+4x2+3x-40
9x2-48x+631-4x2
40a2-30ab14abc+10b3c
4q(3-a)-32q(3-a)8(3-a)+m(3-a)
4-49m23x2-27y2
0.09b2-1(8x+y)2-(8x-7y)2
16+48m+36m2(x+y)2-12m(x+y)+36m2
25a2+80a+644a2+4a(m-n)+(m-n)2
x2+7x+12x2+6x-16
15x2+22x+881-81m2
55a2+10a212a4bc+10b
14p(8+b)+8p(8+b)8(8+b)+m(8+b)
36-25y227x2-48y2
36m2-361(x+y)2-(x-9y)2
16+72b+81b2(m+n)2+6m(m+n)+9m2
64y2+128y+6436a2-12a(m-n)+(m-n)2
x2-7x+10x2+7x-30
3x2+16x+516-9m2
85a2+30a3b20ab2c-50b4c
12q(3-a)-32p(3-a)2(3-a)+m(3-a)
36-16a227x2-75y2
49m2-16(x+y)2-(9x+8y)2
16-72m+81m2(a+b)2+6m(a+b)+9m2
36y2-36y+916a2-8a(m+n)+(m+n)2
x2-15x+54x2+2x-35
15x2-40x+2536-36b2
50a-70a412abc+100bc
8p(x-5)+8q(x-5)6(x-5)+m(x-5)
4-4n212x2-48y2
0.64x2-9(4x+y)2-(3x+9y)2
100+40a+4a2(a+b)2+12m(a+b)+36m2
25m2+80m+6416a2-8a(x+y)+(x+y)2
x2+16x+63x2-2x-35
5x2-46x+4836-16a2
55a3+30a2b6a3bc-90b4
4p(x+4)-4p(x+4)2(x+4)+m(x+4)
16-9n24x2-36y2
36x2-256(x-2y)2-(x+9y)2
16-24a+9a2(m-n)2+8m(m-n)+16m2
16a2-72a+819a2-6a(x+y)+(x+y)2
x2+9x+8x2+3x-28
8x2+22x+1416-64b2
75a4-70a218ab2c-50b4c
2q(y-4)-36p(y-4)4(y-4)+m(y-4)
25-36a22x2-32y2
36y2-144(x+4y)2-(x+10y)2
81+162a+81a2(a-b)2-8m(a-b)+16m2
36m2-84m+494a2-4a(x-y)+(x-y)2
x2-4x+3x2-6x-40
8x2+28x+1236-100x2
85a-100a8a3b3c+50b2
10q(y-8)-28q(y-8)8(y-8)-m(y-8)
4-64b236x2-64y2
81x2-64(6x+y)2-(x+8y)2
81-162x+81x2(x+y)2+10m(x+y)+25m2
9a2-60a+1009a2-6a(a+b)+(a+b)2
x2+10x+9x2-3x-40
9x2-15x+6100-9n2
95a+60a16a3bc-20b4
4q(6+a)-8q(6+a)4(6+a)-m(6+a)
64-4a23x2-48y2
0.25n2-64(x+y)2-(7x-y)2
64-32y+4y2(a+b)2+8m(a+b)+16m2
16y2-80y+10036a2+12a(a-b)+(a-b)2
x2-12x+27x2-4x-45
3x2+18x+27100-81a2
75a2+70a312ab2c-60b2
20q(x+1)-24q(x+1)8(x+1)-m(x+1)
16-25m22x2-2y2
0.81x2-361(5x+3y)2-(7x+y)2
9+24b+16b2(m-n)2-6m(m-n)+9m2
36b2+48b+1636a2-12a(a-b)+(a-b)2
x2-15x+56x2-4x-12
6x2-32x+329-16b2
50a-40a3b8a4bc+90b
2q(x+2)-16q(x+2)4(x+2)-m(x+2)
25-81y23x2-27y2
0.36b2-36(3x-y)2-(x-8y)2
9+12x+4x2(x+y)2-12m(x+y)+36m2
49m2-112m+6416a2+8a(x-y)+(x-y)2
x2-7x+10x2+5x-50
6x2+22x+2064-64n2
95a3-100a8ab2c+40bc
10q(y-2)+16p(y-2)6(y-2)+m(y-2)
16-9y250x2-2y2
0.36b2-324(3x+y)2-(4x+y)2
64-96b+36b2(m-n)2+4m(m-n)+4m2
16b2-64b+6416a2-8a(m+n)+(m+n)2
x2+13x+36x2-3x-40
4x2+27x+354-16m2
20a4-50ab6a2bc-30b3
16p(x-5)-12q(x-5)4(x-5)+m(x-5)
16-100y23x2-12y2
0.04x2-100(3x+5y)2-(x-y)2
81+36b+4b2(x+y)2+4m(x+y)+4m2
64m2+160m+1009a2+6a(a+b)+(a+b)2
x2+16x+64x2-9x-10
12x2-47x+409-36b2
20a2-30ab16abc-70bc
12q(8-b)+20q(8-b)8(8-b)+m(8-b)
81-100y232x2-50y2
0.36a2-144(x+y)2-(x+y)2
49+126n+81n2(a+b)2+10m(a+b)+25m2
81n2-126n+4916a2-8a(m-n)+(m-n)2
x2+11x+24x2-5x-6
5x2-7x+264-49a2
45a2+20a2b8a4bc+20b4c
12p(x-1)-24p(x-1)2(x-1)+m(x-1)
9-25b216x2-100y2
0.64n2-49(7x-3y)2-(4x-9y)2
81-72n+16n2(x-y)2+8m(x-y)+16m2
64x2-96x+3616a2+8a(a+b)+(a+b)2
x2+9x+8x2+5x-14
9x2-33x+304-49x2
65a3+70ab14ab3c-80b
8p(3+b)+28q(3+b)2(3+b)+m(3+b)
81-49y264x2-16y2
81a2-256(3x+6y)2-(3x+7y)2
25+50x+25x2(a-b)2+10m(a-b)+25m2
81b2-162b+814a2-4a(m-n)+(m-n)2
x2-9x+8x2+6x-40
10x2-23x+9100-9y2
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