如何化简3x^2+x/4x^2-5化简成3/4+………的形式怎么化?

(X+1)(X+2)(X+3)(X+4)+X(X+5) 如何因式分解? 如何计算（x-1)(x-2)(x-3)(x-4)-(x^2-5x)^2-10(x^2-5x) x+2/x+1-x+3/x+2-x-4/x-3+x-5/x-4如何分解因式 如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 5x-[-x平方-(x+2)]如何化简 如何计算 (x+1)(x+2)(x+3)(x+4) (6x^2+4x-10)/(3x+5)=?如何化简, 数学化简3x-x^2/5x+4 x 18/4x-12(3x-x^2)/(5x+4) x 18/(4x-12) x+x^2+x^3+x^4=5 如何计出x^5-6X+5=0 如何因式分解:x^2-4x+3 x^2+(p-4)x+(3-p)>0如何化简成(x-1)(x-p+3)>0 x(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)化简之后等于多少 x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 (x+3x+5x...+2009x)-(2x+4x+6x+...+2010x) 一道分式方程如何化简(X/X-1)-( 3/(X-1)(X+2) ) -1 请问如何化简(4x-y)/x^2y^2 - (x+y)/xy^3 4次方因式分解x^4-x^3+5x^2+x+1.如何因式分解