写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4

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写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4

写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
写过程x(x-1)+2x(x+1)-3x(2x-5)
-x(3x-2)+2x(2-x)=-5x(x-2)-4

写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
x(x-1)+2x(x+1)-3x(2x-5)
=x²-x+2x²+2x-6x²+15x
=-3x²+16x
-x(3x-2)+2x(2-x)=-5x(x-2)-4
-3x²+2x+4x-2x²=-5x²+10x-4
6x=10x-4
4x=4
x=1

x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
x^2-x+2x^2+2x-6x^2+15x-3x^2+2x+4x-2x^2=-5x^2+10x-4
3x^2-12x-4=0

zheige
x(x-1)+2x(x+1)-3x(2x-5)
x²-x+2x²+2x-6x²+15x
=-3x²+16x
-x(3x-2)+2x(2-x)=-5x(x-2)-4
-3x²+2x+4x-2x²=-5x²+10x-4
6x=10x-4
4x=4
x=1

写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4 (X-3)+(x-2)+(x-1)+x+(x+1)+(x+2)+(x+3) 要祥细的过程 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 (x+2)(2x-3)(2x-1)(x+1)的答案要写过程 (-x)^3*x^2n-1+x^2n*(-x)^2(要写过程) *-----------------------------------------------*| 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.化简1/x(x-1)+1/(x-1)(x-2)+1/(x-2)(x-3)+…+1/(x-9)(x-10)= 一定要写过程, 先化简 再求值,(3X/X-1 --X/X+1)X X平方-1/X 其中X=根号2-2帮忙把过程写的清楚点` 先化简 再求值,(3X/X-1 --X/X+1)X X平方-1/X 其中X=根号2-2把过程写清楚点谢谢了```` |x-5|+|x+3|+|x-1|过程 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 计算:(x-1)(x^2-4X+3)-x(x^2-5X+2)有过程 1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+...+1/(x+2006)(x+2007)过程 七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X. 2x^2-1-(x^2-x+3)-(x^2+x-4) 用分离系数法写过程 (x-1)(2x-3)计算过程 x(x+1)+(2-x)(2+x)过程, (x-2)(x-4)-(x-1)(x-5)求过程