(1)(x^2+4)^2-16x^2 (2)(x+2)(x+3)+3x+1 (3)(a+b)^2-6c(a+b)+9c^2 (4)a^2c-abd-abc+a^2d(5)x^4-x^3+3x-3 (6)(a-2b)^2+(a-2b)-12(7)2(x-y)^2z^2-4(x-y)z^2-48z^2 (8)81(x+y)^4-16(x-y)^4(9)(ax+by)^2-(bx+ay)^2 (10)x^2-9y^2+x+3y(11)m^4-2(m^2-0.5) (12)ab(c^2+d^2)+cd(

来源：学生作业帮助网编辑：作业帮时间：2024/11/30 12:11:19

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(1)(x^2+4)^2-16x^2 (2)(x+2)(x+3)+3x+1 (3)(a+b)^2-6c(a+b)+9c^2 (4)a^2c-abd-abc+a^2d(5)x^4-x^3+3x-3 (6)(a-2b)^2+(a-2b)-12(7)2(x-y)^2z^2-4(x-y)z^2-48z^2 (8)81(x+y)^4-16(x-y)^4(9)(ax+by)^2-(bx+ay)^2 (10)x^2-9y^2+x+3y(11)m^4-2(m^2-0.5) (12)ab(c^2+d^2)+cd(
(1)(x^2+4)^2-16x^2 (2)(x+2)(x+3)+3x+1
(3)(a+b)^2-6c(a+b)+9c^2 (4)a^2c-abd-abc+a^2d
(5)x^4-x^3+3x-3 (6)(a-2b)^2+(a-2b)-12
(7)2(x-y)^2z^2-4(x-y)z^2-48z^2 (8)81(x+y)^4-16(x-y)^4
(9)(ax+by)^2-(bx+ay)^2 (10)x^2-9y^2+x+3y
(11)m^4-2(m^2-0.5) (12)ab(c^2+d^2)+cd(a^2+b^2)
(13)(ax+by)^2+(bx-ay)^2 (14)(z^2-x^2-y^2)^2-4x^2y^2
分解因式

(1)(x^2+4)^2-16x^2 (2)(x+2)(x+3)+3x+1 (3)(a+b)^2-6c(a+b)+9c^2 (4)a^2c-abd-abc+a^2d(5)x^4-x^3+3x-3 (6)(a-2b)^2+(a-2b)-12(7)2(x-y)^2z^2-4(x-y)z^2-48z^2 (8)81(x+y)^4-16(x-y)^4(9)(ax+by)^2-(bx+ay)^2 (10)x^2-9y^2+x+3y(11)m^4-2(m^2-0.5) (12)ab(c^2+d^2)+cd(
(1)=(x^2+4)^2-(4x)^2=(x-2)^2(x+2)^2
(2)=x^2+5x+6+3x+1=(x+7)(x+1)
(3)=(a+b)^2-6c(a+b)+(3c)^2=(a+b-3c)^2
(4)=ac(a-b)+ad(a-b)=a(d+c)(a-b)
(5)=x(x^3+3)-(x^3+3)=(x-1)(x^3+3)
(6)=(a-2b+4)(a-2b-3)
(7)=2z^2(x-y-8)(x-y+6)
给你一半题的解法,剩下的自己做,不做永远不会.
(其实是打的太麻烦了,不想打了)

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做（x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3)（x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3) 计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+1/x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+x^-1)(x^2+x^-2)(x^4+x^-4)(x^8+x^-8)(x^16+x^-16)(x^2-1)=? x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 解方程：2x(x-2)-6x(x-1)=4x(1-x)+16 (x+1)(x^2+1)(x^4+1)(x^8+1)(x^16+1)(x-1) x=1-x/2+x/4-x/8+x/16-x/32 x^5-x^4+x^3-x^2+x-1 x^6-x^5+x^4-x^2+x-1 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X 24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^ x³-2x²+x (x²+4)²-16x²(1)x³-2x²+x (2) (x²+4)²-16x² X=1+2/X+4/X+8/X+16/X对不起，题错了X=1+X/2+X/4+X/8+X/16 7 X 4 6 1 2 X X XX 2 X X X 3 X X X 5 X X X 9 7 X 6 XX X 6 7 2 X 5 1 XX X 2 X X X 6 X XX 1 5 X 4 6 7 X X X 3 X 8 6 X X X 9X X X 1 X X X 7 XX X X 2 7 5 8 X 1第二道~X 9 X X 8 X X 1 XX 6 X X 2 X X 4 X1 X X X X X X X 59 5 X 7 3 4 X 6 16 7 X 8 X 2 X 3 4