(x+2)/4-1=(2x-3)/6步骤

(x+2)/4-1=(2x-3)/6步骤 解方程；2/x-1=3/x+1步骤 4x-3x^2=15要有步骤 x^2-3x-1=0要步骤, 4(2x-7)-2(x-1)=3(x-1)-2要步骤 解方程:3(4x-9）-2x=6-x 要详细步骤 3x-5/x-2=2-（x+1/x-2）步骤 x^8+x^6+x^4+x^2+1因式分解要有详细步骤. x/(x+1)-1=2x/(3x+3)解方程 要有检验的步骤 解方程（2x-5)(4x-1)=(x-1)(8x+7)解题步骤 1/2[X-(X/5+5+X/4+7)]=X/8步骤 X(X+1)(X+2)(X+3)=360 求详解 步骤最好都写出来 X(X+1)(X+2)(X+3)=360 求详解 步骤最好都写出来 x*(x+1)*(x+2)*(x+3)=7920的详细步骤? 换元法解方程（（x^2）/(X-1)）^2-(（3x^2）/(x-1))-4=0需步骤 y=(4x-8)/(x-2),y=(7x+6)/(3x+5)的值域(解题步骤) 解方程⑴2x^2-4x+3 √ x^-2x+6=15 ⑵ 3/(x^2-2x-3)=2x^2-4x-1需步骤 1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+……+1/(x+2007)(x+2008)求当X=1时,该式的值请给出准确步骤