(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简

来源：学生作业帮助网编辑：六六作业网时间：2024/05/18 03:24:02

(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简(x-2

(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简
(x-2/x+2)+(x^2-20/x^2-4)
坐等，速度，化简

(x-2/x+2)+(x^2-20/x^2-4)坐等，速度，化简
(x-2/x+2)+(x^2-20/x^2-4)
=(x-2)²/(x+2)(x-2)+(x²-20)/(x+2)(x-2)
=(x²-4x+4+x²-20)/(x+2)(x-2)
=(2x²-4x-16)/(x+2)(x-2)
=2(x²-2x-8)/(x+2)(x-2)
=2(x-4)(x+2)/(x+2)(x-2)
=2(x-4)/(x-2)

300字读后感 2篇俄把格式说一下吧：《xxxx》（写题目）主要内容：x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容）思考分析：x x x *-----------------------------------------------*| 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 || 分解因式：x*x*x*x+2*x*x*x-9*x*x-2x+8 x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 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 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. (x/x-2-x/x+2)/4x/x-2 分解因式----（X*X-X)(X*X-X-2)+1 |-x|+|x+2|-|2-x| x(x-2)(x-3) {x|(x+3)(x-2) -x^3+x^2-x 通分:x+4/x^2-8x+15,x-5/x^2+x-12,x-3/x^2-x-20 x×x+3x-9/ x+2 f(x)=x^2+x (x |x|-2/x*x-x-12 x+2x+3x+.+100x 】x(x+1)+x^2(x-1)