((3x)/(x-2))>x+6怎么解,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/01 13:17:17
((3x)/(x-2))>x+6怎么解,
((3x)/(x-2))>x+6怎么解,
((3x)/(x-2))>x+6怎么解,
x>2时
3x>(x-2)(x+6)
x^2+4x-12<3x
x^2+x-12<0
(x+4)(x-3)<0
-4
3x<(x-2)(x+6)
x^2+4x-12>3x
x^2+x-12>0
(x+4)(x-3)>0
x<-4或x>3
所以x<-4
所以x<-4或2
1/(x+1)(x+2)+1/(x+3)(x+4)+1/(x+5)(x+6)+1/(x+7)(x+8)+1/(x+9)(x+10)怎么解
x-1+x-2+x-3+x-4+x-5+x-6+x-7=77怎么解速度!
((3x)/(x-2))>x+6怎么解,
x(2x+3)=4x+6怎么解
(2x-3)(3x-2)-x(6x-1)+12(x-1)怎么解
7x(x-6)+3x=4x(2x+5)怎么解这个方程
(x+2)(x+3)-(x+6)(x-1) 怎么算?
(x-1)(x+2)(x+3)(x+6)怎么做?
2x+1.5x=17.5 8x-3x=105 3x+x+6=26 怎么解
4+6X(3x-2)=16x 怎么解方程?注备:X=乘 x=x
x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1怎么分解因式
*-----------------------------------------------*| 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 ||
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
(x^2+1)-3x(x-1)+2(x^2+x-1),其中x=102/5怎么做?另外还有一道解方程的:5(x^2+x-3)-4x(6+x)+x(4-x)=0,
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
5(2x-1)(x+6)-3(x-3)(x-6)怎么解