分式方程2x^2-6x/x^-9-x+3/3-x-2x+6/x^2+6x+9=9急求！！有悬赏！！！
问题描述：
分式方程2x^2-6x/x^-9-x+3/3-x-2x+6/x^2+6x+9=9
急求！！有悬赏！！！
答
(2x^2-6x)/(x^-9)-(x+3)/(3-x)-(2x+6)/(x^2+6x+9)=92x(x-3)/(x+3)(x-3)+(x+3)/(x-3)-2(x+3)/(x+3)²=92x/(x+3)+(x+3)/(x-3)-2/(x+3)=9两边同乘以(x+3)(x-3)2x(x-3)+(x+3)²-2(x-3)=9(x²-9)2x²-6x+...