(x2)(x3)(x-4)(x-5)-44

x3+x+2x3-4x2-4x-5因式分解x3+x+2x3-4x2-4x-5因式分解x3+x+2x3-4x2-4x-5因式分解x3+x+2=x^3+x^2-x^2+x+2=x^2(x+1)-(x-2)

(3X3+5X2+X)/(7X3+5X-4)(3X3+5X2+X)/(7X3+5X-4)(3X3+5X2+X)/(7X3+5X-4)440x

x4-x3-5x2-6x-4x4-x3-5x2-6x-4x4-x3-5x2-6x-4x^4-x^3-5x^2-6x-4=-x(x^2+5x+6)+x^4-4=[-x(x+2)(x+3)]+[(x^2+

x的4次方+x3+x2+xx的4次方+x3+x2+xx的4次方+x3+x2+xx(x3x2x1)x的4次方+x3+x2+x=x³﹙x+1﹚+x﹙x+1﹚=x﹙x+1﹚﹙x²+1﹚

分解因式：-27x3+8,(x2-5x+2)(x2-5x+4)-24,x5+x4+x3+x2+x1+1分解因式：-27x3+8,(x2-5x+2)(x2-5x+4)-24,x5+x4+x3+x2+x1

1.证明（8-7x-6x2+x3）+(x3+5x2+4x-1)-(-x2-3x+2x3-3)的值与x无关.快,1.证明（8-7x-6x2+x3）+(x3+5x2+4x-1)-(-x2-3x+2x3-3

求证:无论X取何值下列（8-7X-6X2+X3)+(X3+5X2+4X-1)-(-X2-3X+2X3-3)结果不变求证:无论X取何值下列（8-7X-6X2+X3)+(X3+5X2+4X-1)-(-X2

(x2+4x+4)/(x3+2x2-4x-8)(x2+4x+4)/(x3+2x2-4x-8)(x2+4x+4)/(x3+2x2-4x-8)=(X+2)方/[X方(X+2)-4(X+2)]=(X+2)方

x3+x2-4x-4分解因式x3+x2-4x-4分解因式x3+x2-4x-4分解因式x^3+x^2-4x-4=x^2(x+1)-4(x+1)=(x^2-4)(x+1)=(x-2)(x+2)(x+1)x

2x3+3x2-4x-12x3+3x2-4x-12x3+3x2-4x-12x^3+3x^2-4x-1=x^3-1+x^3+3x^2-4x=(x-1)(x^2+x+1)+x(x^2+3x-4)=(x-1

分解因式x3-4x2+x+6分解因式x3-4x2+x+6分解因式x3-4x2+x+6通过对x^3-4x^2+x+6=0试根有x=2x3-4x2+x+6=(x-2)*（ax^2+bx+c）对应关系可求a

x3+3x2-4x-12x3+3x2-4x-12x3+3x2-4x-12原式＝x^2(x+3)-4(x+3)=(x^2-4)(x+3)=(x+2)(x+3)(x-2)x3+3x2-4x-12=(x+2

(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6))化简(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6))化简(x-2)*((x2+2x+4)/(x3-8)-5/

2x3+4x-x2-(x+x2-2x3),其中x=-32x3+4x-x2-(x+x2-2x3),其中x=-32x3+4x-x2-(x+x2-2x3),其中x=-3-111请问一下：2x3+4x-x2-

x4-x3-5x2-6x-4分解因式x4-x3-5x2-6x-4分解因式x4-x3-5x2-6x-4分解因式设x^4-x^3-5x^2-6x-4=(x^2+ax+b)(x^2+cx+d)=x^4+(a

分解"x3+5x2-4x-20=0"分解"x3+5x2-4x-20=0"分解"x3+5x2-4x-20=0"x3+5x2-4x-20=0"x^2(x+5)-4(x+5)=0(x+5)（x^2-4)=0

分解因式x3+5x2+8x+4分解因式x3+5x2+8x+4分解因式x3+5x2+8x+4原式=(x³+x²)+(4x²+8x+4)=x²(x+1)+4(x+1

分解因式:x4-x3+4x2+3x+5分解因式:x4-x3+4x2+3x+5分解因式:x4-x3+4x2+3x+5x4-x3+4x2+3x+5=(x^2-2x+5)(x^2+x+1)x^4-x^3+4

maxZ=2X1+4X2-5X3X1+X2+X3=72X1-3X2+X3≥10X1.X2.X3≥0maxZ=2X1+4X2-5X3X1+X2+X3=72X1-3X2+X3≥10X1.X2.X3≥0ma

已知x2+5x-4=0,求x3+6x2+x+2的值已知x2+x-1=0,求x3+2x2+3的值已知x2+5x-4=0,求x3+6x2+x+2的值已知x2+x-1=0,求x3+2x2+3的值已知x2+5