初二因式分解难题 跪求答案 在线等悬赏100分 给100悬赏，跪求几道因式分解应用题的答案与详细步骤,谢谢
\u6c42\u521d\u4e8c\u56e0\u5f0f\u5206\u89e3\u9898\u53ca\u5176\u7b54\u6848100\u9053\u56e0\u5f0f\u5206\u89e33a3b2c\uff0d6a2b2c2\uff0b9ab2c3\uff1d3ab^2 c(a^2-2ac+3c^2)
2.\u56e0\u5f0f\u5206\u89e3xy\uff0b6\uff0d2x\uff0d3y\uff1d(x-3)(y-2)
3.\u56e0\u5f0f\u5206\u89e3x2(x\uff0dy)\uff0by2(y\uff0dx)\uff1d(x+y)(x-y)^2
4.\u56e0\u5f0f\u5206\u89e32x2\uff0d(a\uff0d2b)x\uff0dab\uff1d(2x-a)(x+b)
5.\u56e0\u5f0f\u5206\u89e3a4\uff0d9a2b2\uff1da^2(a+3b)(a-3b)
8.\u56e0\u5f0f\u5206\u89e3ab(x2\uff0dy2)\uff0bxy(a2\uff0db2)\uff1d(ay+bx)(ax-by)
9.\u56e0\u5f0f\u5206\u89e3(x\uff0by)(a\uff0db\uff0dc)\uff0b(x\uff0dy)(b\uff0bc\uff0da)\uff1d2y(a-b-c)
10.\u56e0\u5f0f\u5206\u89e3a2\uff0da\uff0db2\uff0db\uff1d(a+b)(a-b-1)
11.\u56e0\u5f0f\u5206\u89e3(3a\uff0db)2\uff0d4(3a\uff0db)(a\uff0b3b)\uff0b4(a\uff0b3b)2\uff1d[3a-b-2(a+3b)]^2=(a-7b)^2
12.\u56e0\u5f0f\u5206\u89e3(a\uff0b3)2\uff0d6(a\uff0b3)\uff1d(a+3)(a-3)
13.\u56e0\u5f0f\u5206\u89e3(x\uff0b1)2(x\uff0b2)\uff0d(x\uff0b1)(x\uff0b2)2\uff1d-(x+1)(x+2)
abc\uff0bab\uff0d4a\uff1da(bc+b-4)
(2)16x2\uff0d81\uff1d(4x+9)(4x-9)
(3)9x2\uff0d30x\uff0b25\uff1d(3x-5)^2
(4)x2\uff0d7x\uff0d30\uff1d(x-10)(x+3)
35.\u56e0\u5f0f\u5206\u89e3x2\uff0d25\uff1d(x+5)(x-5)
36.\u56e0\u5f0f\u5206\u89e3x2\uff0d20x\uff0b100\uff1d(x-10)^2
37.\u56e0\u5f0f\u5206\u89e3x2\uff0b4x\uff0b3\uff1d(x+1)(x+3)
38.\u56e0\u5f0f\u5206\u89e34x2\uff0d12x\uff0b5\uff1d(2x-1)(2x-5)
39.\u56e0\u5f0f\u5206\u89e3\u4e0b\u5217\u5404\u5f0f\uff1a (1)3ax2\uff0d6ax\uff1d3ax(x-2)
(2)x(x\uff0b2)\uff0dx\uff1dx(x+1) (3)x2\uff0d4x\uff0dax\uff0b4a\uff1d(x-4)(x-a) (4)25x2\uff0d49\uff1d(5x-9)(5x+9)
(5)36x2\uff0d60x\uff0b25\uff1d(6x-5)^2 (6)4x2\uff0b12x\uff0b9\uff1d(2x+3)^2 (7)x2\uff0d9x\uff0b18\uff1d(x-3)(x-6)
(8)2x2\uff0d5x\uff0d3\uff1d(x-3)(2x+1) (9)12x2\uff0d50x\uff0b8\uff1d2(6x-1)(x-4) 40.\u56e0\u5f0f\u5206\u89e3(x\uff0b2)(x\uff0d3)\uff0b(x\uff0b2)(x\uff0b4)\uff1d(x+2)(2x-1)
41.\u56e0\u5f0f\u5206\u89e32ax2\uff0d3x\uff0b2ax\uff0d3\uff1d (x+1)(2ax-3)
42.\u56e0\u5f0f\u5206\u89e39x2\uff0d66x\uff0b121\uff1d(3x-11)^2
43.\u56e0\u5f0f\u5206\u89e38\uff0d2x2\uff1d2(2+x)(2-x)
44.\u56e0\u5f0f\u5206\u89e3x2\uff0dx\uff0b14 \uff1d\u6574\u6570\u5185\u65e0\u6cd5\u5206\u89e3
45.\u56e0\u5f0f\u5206\u89e39x2\uff0d30x\uff0b25\uff1d(3x-5)^2
46.\u56e0\u5f0f\u5206\u89e3\uff0d20x2\uff0b9x\uff0b20\uff1d(-4x+5)(5x+4)
47.\u56e0\u5f0f\u5206\u89e312x2\uff0d29x\uff0b15\uff1d(4x-3)(3x-5)
48.\u56e0\u5f0f\u5206\u89e336x2\uff0b39x\uff0b9\uff1d3(3x+1)(4x+3)
49.\u56e0\u5f0f\u5206\u89e321x2\uff0d31x\uff0d22\uff1d(21x+11)(x-2)
50.\u56e0\u5f0f\u5206\u89e39x4\uff0d35x2\uff0d4\uff1d(9x^2+1)(x+2)(x-2)
51.\u56e0\u5f0f\u5206\u89e3(2x\uff0b1)(x\uff0b1)\uff0b(2x\uff0b1)(x\uff0d3)\uff1d2(x-1)(2x+1)
52.\u56e0\u5f0f\u5206\u89e32ax2\uff0d3x\uff0b2ax\uff0d3\uff1d(x+1)(2ax-3)
53.\u56e0\u5f0f\u5206\u89e3x(y\uff0b2)\uff0dx\uff0dy\uff0d1\uff1d(x-1)(y+1)
54.\u56e0\u5f0f\u5206\u89e3(x2\uff0d3x)\uff0b(x\uff0d3)2\uff1d(x-3)(2x-3)
55.\u56e0\u5f0f\u5206\u89e39x2\uff0d66x\uff0b121\uff1d(3x-11)^2
56.\u56e0\u5f0f\u5206\u89e38\uff0d2x2\uff1d2(2-x)(2+x)
57.\u56e0\u5f0f\u5206\u89e3x4\uff0d1\uff1d(x-1)(x+1)(x^2+1)
58.\u56e0\u5f0f\u5206\u89e3x2\uff0b4x\uff0dxy\uff0d2y\uff0b4\uff1d(x+2)(x-y+2)
59.\u56e0\u5f0f\u5206\u89e34x2\uff0d12x\uff0b5\uff1d(2x-1)(2x-5)
60.\u56e0\u5f0f\u5206\u89e321x2\uff0d31x\uff0d22\uff1d(21x+11)(x-2)
61.\u56e0\u5f0f\u5206\u89e34x2\uff0b4xy\uff0by2\uff0d4x\uff0d2y\uff0d3\uff1d(2x+y-3)(2x+y+1)
62.\u56e0\u5f0f\u5206\u89e39x5\uff0d35x3\uff0d4x\uff1dx(9x^2+1)(x+2)(x-2)
63.\u56e0\u5f0f\u5206\u89e3\u4e0b\u5217\u5404\u5f0f\uff1a (1)3x2\uff0d6x\uff1d3x(x-2) (2)49x2\uff0d25\uff1d(7x+5)(7x-5)
(3)6x2\uff0d13x\uff0b5\uff1d(2x-1)(3x-5) (4)x2\uff0b2\uff0d3x\uff1d(x-1)(x-2) (5)12x2\uff0d23x\uff0d24\uff1d(3x-8)(4x+3) (6)(x\uff0b6)(x\uff0d6)\uff0d(x\uff0d6)\uff1d(x-6)(x+5) (7)3(x\uff0b2)(x\uff0d5)\uff0d(x\uff0b2)(x\uff0d3)\uff1d2(x-6)(x+2)
(8)9x2\uff0b42x\uff0b49\uff1d(3x+7)^2 \u3002
x^2+7x+12=(x+3)(x+4)
x^2-7x+12=(x-3)(x-4)
x^2+8x+12=(x+2)(x+6)
x^2-8x+12=(x-2)(x-6)
x^2+13x+12=(x+1)(x+12)
x^2-13x+12=(x-1)(x-12)
12x^2+7x+1=(3x+1)(4x+1)
12x^2-7x+1=(3x-1)(4x-1)
12x^2+8x+1=(2x+1)(6x+1)
12x^2-8x+1=(2x-1)(6x-1)
12x^2+13x+1=(x+1)(12x+1)
12x^2-13x+1=(x-1)(12x-1)
x^2+6x+8=(x+2)(x+4)
x^2-6x+8=(x-2)(x-4)
x^2+9x+8=(x+1)(x+8)
x^2-9x+8=(x-1)(x-8)
8x^2+6x+1=(2x+1)(4x+1)
8x^2-6x+1=(2x-1)(4x-1)
8x^2+9x+1=(x+1)(8x+1)
8x^2-9x+1=(x-1)(8x-1)
x^2+7x+10=(x+2)(x+5)
x^2-7x+10=(x-2)(x-5)
x^2+5x+4=(x+1)(x+4)
x^2-5x+4=(x-1)(x-4)
x^2+5x+6=(x+2)(x+3)
x^2-5x+6=(x-2)x-3)
x^2-5x-6=(x-6)(x+1)
x^2+5x-6=(x+6)(x-1)
x^2+4x+3=(x+1)(x+3)
x^2-4x+3=(x-1)(x-3)
x^2-3x-4=(x-4)(x+1)
x^2+3x-4=(x+4)(x-1)
\u9752\u7af9\u6dc5\u6dc5\uff0c\u4f60\u597d\uff1a
1.a,b,c\u662f\u6b63\u6574\u6570\uff0c\u5e76\u4e14\u6ee1\u8db3\u7b49\u5f0fabc+ab+ac+bc+a+b+c+1=2004\uff0c\u90a3\u4e48a+b+c\u7684\u6700\u5c0f\u503c\u662f--------abc+ab+ac+bc+a+b+c+1
=(abc+ab)+(ac+a)+(bc+b)+(c+1)
=ab(c+1)+a(c+1)+b(c+1)+(c+1)
=(c+1)(ab+a+b+1)
=(c+1)[a(b+1)+(b+1)]
=(a+1)(b+1)(c+1)
\u56e0\u4e3a\uff1a2004\uff1d167\u00d73\u00d74\uff1d\uff08166\uff0b1\uff09\u00d7\uff082\uff0b1\uff09\u00d7\uff083\uff0b1\uff09
\u6240\u4ee5\uff1aa+b+c\u7684\u6700\u5c0f\u503c\u662f166\uff0b2\uff0b3\uff1d171
2.\u82e5x,y\u4e3a\u6b63\u6574\u6570\uff0c\u4e14X²\uff0by²\uff0b4y\uff0d96\uff1d0\uff0c\u5219xy=( )
X²\uff0by²\uff0b4y\uff0d96\uff1d0
X²\uff0by²\uff0b4y\uff0b4\uff0d100\uff1d0
X²\uff0b\uff08y\uff0b2\uff09²\uff0d6²\uff0d8²\uff1d0
\uff08X\uff0b6\uff09\uff08X\uff0d6\uff09\uff0b\uff08y\uff0b2\uff0b8\uff09\uff08y\uff0b2\uff0d8\uff09\uff1d0
\u56e0\u4e3axy\u4e3a\u6b63\u6574\u6570\uff0c\u6240\u4ee5\uff1aX\uff0d6\uff1d0\u4e14y\uff0b2\uff0d8\uff1d0
\u89e3\u4e4b\u5f97\uff1aX\uff1d6\uff0cy\uff1d6
\u6240\u4ee5\uff1axy\uff1d6\u00d76\uff1d36
3\u82e5m=2006²+2006²\u00d72007²+2007²\uff0c\u5219m=( )
m=2006²+2006²\u00d72007²+2007²
=2006²+2007²+2006²\u00d72007²
=2006²+(2006+1)²+2006²\u00d7(2006+1)²
=2006^4+2\u00d72006 ³\uff0b3\u00d72006²\uff0b2\u00d72006\uff0b1
=(2006²+2006+1)²
=4026043²
A的4次方+5A的平方-6=(A^2+6)(A^2-1)=(A^2+6)(A+1)(A-1)
A的3次方-5A的平方-6A=A(A^2-5A-6)=A(A-6)(A+1)
A的5次方+5A的3次方-6A=A(A^4+5A^2-6)=A(A^2+6)(A+1)(A-1)
A的平方B的平方-5AB-6=(AB-6)(AB+1)
36-5(A+B)-(A+B)的平方=(9+A+B)(4-A-B)
已知X的平方-4X-M=(X-5)(X-N),则M.N的值是5,-1
多项式2xy-x的平方-y的平方分解因式的正确结果是？-(x-y)^2
x的平方-x-6=(x-3)(x+2)
x的平方+5x+6=(x+3)(x+2)
x的平方+x-6=(x+3)(x-2)
x的平方+3x-4=(x+4)(x-1)
x的平方-3-4=(x-4)(x+1)
x的3次方-4X的平方-21X=x(x^2-4x-21)=x((x-7)(x+3)
X的4次方+10X的平方-11=(x^2+11)(x^2-1)=(x^2+11)(x+1)(x-1)
X的4次方-13X的平方Y的平方+36Y的4次方=(x^2-4y^2)(x^2-9y^2)=(x+2y)(x-2y)(x+3y)(x-3y)
若多项式X的平方-8X+M可分解为（X-2）（X-6）则M的值为？12
若多项式X的平方-KX-12可分解为（X-2）（X+6）则K的值为？-4
若多项式X的平方-2X+M可分解为（X+3）（X-N）求M.N的值-15,5
前几道A的题正负号有问题，你在检查一遍！我从X的题开始回答
X的平方-X+6=（X+2）（X-3）
x的平方+5x+6=（X+2）（X+3）X的平方+X-6=（X-2）（X+3）x的平方+3x-4=（X-1）（X+4）
x的平方-3-4这道题少未知数应该是x的平方-3x-4=（X+1）（X-4）
x的3次方-4X的平方-21X=X（X+3）（X-7）
X的4次方-12X的平方Y的平方+36Y的4次方=(X的平方-6y的平方)的平方
M=12；K=4；M=15，N＝5
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