八年级数学上册因式分解30.docx
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八年级数学上册因式分解30.docx
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八年级数学上册因式分解30
90a2-50ab16ab3c-100b
20q(9-b)-4q(9-b)2(9-b)+m(9-b)
36-4m264x2-16y2
0.16b2-64(x-y)2-(x+y)2
64+96x+36x2(m-n)2+10m(m-n)+25m2
64y2-112y+4925a2-10a(x-y)+(x-y)2
x2+9x+18x2-9x-10
20x2+9x+14-64m2
30a-20a2abc-10bc
8p(y+5)+4q(y+5)6(y+5)-m(y+5)
81-100a216x2-4y2
0.36y2-361(x-5y)2-(x+y)2
100+140b+49b2(x+y)2-6m(x+y)+9m2
64m2+112m+4916a2-8a(x+y)+(x+y)2
x2+10x+21x2+6x-16
5x2-41x+89-81x2
25a-10a28a4b2c+100bc
10p(4-a)+36q(4-a)2(4-a)+m(4-a)
81-4a2100x2-4y2
0.04x2-49(x-3y)2-(x-y)2
4+32y+64y2(m+n)2+12m(m+n)+36m2
4m2-24m+369a2+6a(m-n)+(m-n)2
x2+7x+12x2+7x-18
9x2-9x+2100-49a2
35a4+70a14abc+100bc
2p(y-3)-20p(y-3)2(y-3)-m(y-3)
16-16m24x2-64y2
64n2-256(x-2y)2-(x+7y)2
9+36y+36y2(m-n)2+6m(m-n)+9m2
9y2-24y+169a2-6a(a+b)+(a+b)2
x2-8x+15x2+6x-7
16x2-24x+5100-49x2
85a+40a4b10abc-60b
6q(x-2)+16q(x-2)8(x-2)-m(x-2)
25-64n22x2-18y2
0.36a2-256(8x-y)2-(8x-10y)2
64+160b+100b2(a-b)2+8m(a-b)+16m2
25n2+50n+2536a2-12a(a+b)+(a+b)2
x2-12x+27x2+6x-16
12x2-37x+289-16x2
25a4+70ab12a2bc+40bc
12p(4+a)-4q(4+a)8(4+a)-m(4+a)
64-64b22x2-50y2
49b2-64(x+y)2-(x+9y)2
81-72x+16x2(m-n)2-4m(m-n)+4m2
25n2-60n+3616a2-8a(x-y)+(x-y)2
x2-9x+20x2+7x-30
12x2+26x+124-4n2
10a4+70a3b8a4bc-100bc
12q(y-5)+20p(y-5)6(y-5)-m(y-5)
100-36a227x2-75y2
0.09a2-81(x-y)2-(9x+y)2
81-180b+100b2(x+y)2+6m(x+y)+9m2
4n2-28n+4916a2-8a(m-n)+(m-n)2
x2+4x+4x2-8x-20
12x2+13x+3100-25x2
90a+40a418a2b3c+60bc
8q(x+7)+20q(x+7)4(x+7)-m(x+7)
64-81n232x2-18y2
0.81a2-1(8x-y)2-(x-7y)2
49+84y+36y2(x+y)2+8m(x+y)+16m2
36a2-72a+369a2-6a(a+b)+(a+b)2
x2+11x+24x2-6x-40
12x2+60x+7216-49y2
80a-90a3b20abc-50b
6q(x+6)+36q(x+6)4(x+6)-m(x+6)
36-16n227x2-27y2
49b2-36(x-y)2-(5x-8y)2
100-160m+64m2(a+b)2-12m(a+b)+36m2
9x2+48x+6436a2+12a(a-b)+(a-b)2
x2-11x+28x2+6x-27
8x2+40x+1836-49a2
55a+60ab18abc-90b2
10p(x+4)-40p(x+4)6(x+4)-m(x+4)
4-4m212x2-75y2
0.16y2-64(x-3y)2-(x+9y)2
100+160m+64m2(x-y)2+8m(x-y)+16m2
4m2+32m+644a2-4a(a-b)+(a-b)2
x2-9x+14x2-5x-36
4x2+12x+836-81a2
60a3-20a44a2bc+60b2
4q(y+2)+20p(y+2)6(y+2)+m(y+2)
49-64n212x2-48y2
81a2-81(x+3y)2-(2x+8y)2
1+8m+16m2(a+b)2+4m(a+b)+4m2
16b2-48b+3636a2+12a(x-y)+(x-y)2
x2+12x+27x2+5x-36
4x2-20x+949-36m2
95a3+30a8abc+90b4c
20q(3-b)-24p(3-b)8(3-b)+m(3-b)
1-9y212x2-12y2
9b2-25(x-y)2-(x+y)2
100+100b+25b2(a+b)2-8m(a+b)+16m2
64y2-80y+254a2+4a(x-y)+(x-y)2
x2-7x+12x2-6x-27
5x2+18x+1649-16n2
15a+70a3b12abc-100b3
6p(y-5)-24p(y-5)6(y-5)-m(y-5)
4-9x24x2-16y2
16y2-121(x+y)2-(x+y)2
100-40n+4n2(x+y)2+8m(x+y)+16m2
9n2-54n+8125a2-10a(x-y)+(x-y)2
x2+6x+5x2-4x-45
6x2+16x+109-25m2
20a+20a3b4a2bc+90b
2p(y-7)-12q(y-7)6(y-7)+m(y-7)
64-49a236x2-16y2
0.36y2-169(8x+y)2-(3x+10y)2
100-160m+64m2(a-b)2-6m(a-b)+9m2
49a2+42a+94a2+4a(x-y)+(x-y)2
x2-11x+30x2+2x-24
2x2+9x+725-64n2
65a-90ab8ab2c-100b2
12p(5-a)+28p(5-a)8(5-a)-m(5-a)
25-25m212x2-75y2
0.04n2-81(x+6y)2-(x-y)2
100-80x+16x2(x+y)2+10m(x+y)+25m2
4m2-36m+814a2+4a(m+n)+(m+n)2
x2+8x+7x2+6x-16
2x2+9x+736-16y2
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