作业帮2(x+1)^2/(x^2)+(x+1)/(x)-6=0 解方程
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2(x+1)^2/(x^2)+(x+1)/(x)-6=0 解方程
2(x+1)^2/(x^2)+(x+1)/(x)-6=0 解方程
2(x+1)^2/(x^2)+(x+1)/(x)-6=0 解方程
2(x+1)^2/(x^2)+(x+1)/(x)-6=0 两边乘x^2
2(x+1)^2+x(x+1)-6x^2=0
2x^2+4x+2+x^2+x-6x^2=0
-3x^2+5x+2=0
3x^2-5x-2=0
(3x+1)(x-2)=0
x1=-1/3 x2=2
x1=-1/3 x2=2
2(x+1)^2+x(x+1)-6x^2=0
2x^2+4x+2+x^2+x-6x^2=0
-3x^2+5x+2=0
3x^2-5x-2=0
(3x+1)(x-2)=0
x1=-1/3 x2=2
设（x+1）/(x)=a
则2a^2+a-6=o
(2a-3)(a+2)=0
a=3/2或a=-2
(x+1)/x=-2时x=-1/3
(x+1)/x=3/2时x=2
总队上所述，x=-1/3或2
lz，2(x+1)^2+x(x+1)-6x^2=0
2x^2+4x+2+x^2+x-6x^2=0
-3x^2+5x+2=0
3x^2-5x-2=0
(3x+1)(x-2)=0
x1=-1/3 x2=2
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分解因式----（X*X-X)(X*X-X-2)+1
】x(x+1)+x^2(x-1)
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-1/x-2
{2X+1}+{X}
(x^2-1)/x
x^2-1/x
2X+|X+1|
｜x-1｜+｜x-2｜
(x+1)/(x+2)
/X+1/+/X+2/
2x/(1-x)
|X+2|+|X-1|
2x-1 (x
|x-2|+|x-1|