(1)解方程：①2x(7-3x)+5x(2x+1)=x(4x-3)+32 ②(3x-2)(2x-(1)解方程：①2x(7-3x)+5x(2x+1)=x(4x-3)+32②(3x-2)(2x-3)=(6x+5)(x-1)(2)计算：①(m+2)(m-2)+(m-1)(m+5)②[(x+y)^2-y(2x+y）-8x]2x③(-16)^1002(-25)^2005(3)分解因式①3a^3-6a^2b+3a

解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7) 解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6 解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6) 解分式方程: (x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6) 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程：(3-x)/(1-x)+(x^2-2)/(x^2-8x+7)=1+(x-5)/(x-7) 解方程：2（x-2)(x+3)-(2x-5)(x-1)=3x+7 解方程 2(x-2)(x+3)-(2x-5)(x-1)=3x+7 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7) 解方程 3x/x×x-1+x×x-1/3x=5/2 解方程(x-3/x)-(3-x/x+1)=5x-15/2x+2 解方程 x(2x-4)+3x(x-1)=5x(x-3)+8 解一道初一的分式方程（x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6)求x的值 解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)