化简(x分之1减1-x分之x-3加x²-x分之2)除(1加x分之3减x²分之4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 23:59:11
![化简(x分之1减1-x分之x-3加x²-x分之2)除(1加x分之3减x²分之4)](/uploads/image/z/1076125-13-5.jpg?t=%E5%8C%96%E7%AE%80%28x%E5%88%86%E4%B9%8B1%E5%87%8F1-x%E5%88%86%E4%B9%8Bx-3%E5%8A%A0x%26%23178%3B-x%E5%88%86%E4%B9%8B2%29%E9%99%A4%281%E5%8A%A0x%E5%88%86%E4%B9%8B3%E5%87%8Fx%26%23178%3B%E5%88%86%E4%B9%8B4%29)
化简(x分之1减1-x分之x-3加x²-x分之2)除(1加x分之3减x²分之4)
化简(x分之1减1-x分之x-3加x²-x分之2)除(1加x分之3减x²分之4)
化简(x分之1减1-x分之x-3加x²-x分之2)除(1加x分之3减x²分之4)
(1/x-(x-3)/(1-x)+2/(x^2-x))/(3/(1+x)-4/x^2)
={[(x-1)+x(x-3)+2]/(x^2-x)}/[(3x^2-4(1+x))/x^2(1+x)]
=[x-1+x^2-3x+2]/[x(x-1)]*(x^2(1+x)/(3x^2-4x-4)
=(x^2-2x+1)/(x-1)*x(1+x)/(3x+2)(x-2)
=(x-1)(x+1)x/[(3x+2)*(x-2)]