x3-2x+1因式分解
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因式分解(1+x+x2+x3)2-x3(1+x+x^2+x^3)^2-x^3设y=1+x+x^2,则(x^3-1)=(x-1)*(1+x+x^2)=(x-1)*y,原式=(y+x^3)^2-x^3=y^2-2*y*x^3+x^6-x^3=y
因式分解:x4+x3+2x2+x+1原式=x^4+2*x^2+1+x(x^2+1)=(x^2+1)^2+x(x^2+1)=(x^2+1)*(x^2+x+1)X和*分不清,楼主说详细点
因式分解x3-x2-x-1x³-x²-x-1=(x³-x)-(x+1)=x(x²-1)-(x+1)=x(x+1)(x-1)-(x+1)=(x²-x-1)(x+1)
因式分解:-x3-2x2y-x-x3-2x2y-x=-x(x²-2xy+1)
x3-x2-x-2因式分解(x-1)(x^2+ax+2)=x^3+ax^2+2x-x^2-ax-2=x^3+(a-1)x^2+(2-a)x-2=0a-1=-12-a=-1不合理(x-2)(x^2+ax+1)=x^3+ax^2+x-2x^2-
x4+2x3+x2+1+2(x+x2)因式分解x4+2x3+x2+1+2(x+x2)=(x2+x)^2+2(x2+x)+1=(x2+x+1)^2
2x3-5x2+1因式分解x后面是指数原式=2x³-x²-4x²+1=x²(2x-1)-(2x+1)(2x-1)=(2x-1)(x²-2x-1)
因式分解(2x-1)3-x3,3是立方,(2x-1)3-x3=(2x-1-x)((2x-1)²+x(2x-1)+x²)=(x-1)(4x²-4x+1+2x²-x+x²)=(x-1)(7x
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)(x+1)=(x+1)(x^2-x+2)x3-4x2-4x-5=x^3-5x^2+x^2-4x-5=x^2(x-5)+(x-
x5-x4+x3-x2+x-1因式分解x5-x4+x3-x2+x-1=x4(x-1)+x2(x-1)+(x-1)=(x-1)(x4+x2+1)=(x-1)(x4+2x2+1-x2)=(x-1)[(x2+1)2-x2]=(x-1)(x2+x-
X5-X4+X3+X2+X+1因式分解LS你没有写对(X+1)(X^4-X^3+X^2+1)=1+X+X^2+X^5楼主的那个题目如果是:x^5-x^4+x^3+x^2+1没有因式得提拉X5-X4+X3+X2+X+1=X^3(X^2-1)+
x3-x2+x+1如何因式分解(X2-X)X+(X+1)(x+1)(x-1)x+(x+1)(x+1)((x-1)x+1)(x2-根号2x1/3)^2楼主是这个意思吗?先把x2-根号2x看成整体原式=(x2-根号2x)^22(x2-根号2x)
因式分解x3+5x2+2x-24你好x³+5x²+2x-24=x³+5x²+6x-4x-24=x(x+6)(x+1)-4(x+6)=(x+6)(x²+x-4)很高兴为您解答,祝你学习进步!有
x3+3x2+3x+2因式分解(x+2)(x^2+x+1)
因式分解x4+x3+2x2-x+3x4+x3+2x2-x+3=x^4+2x^3+3x^2-x^3-2x^2-3x+x^2+2x+3=x^2(x^2+2x+3)-x(x^2+2x+3)+(x^2+2x+3)=(x^2+2x+3)(x^2-x+
x3-x2-x-2怎么因式分解X^3-X^2-X-2=(X^3-1)-(X^2+X+1)=(X-1)(X^2+X+1)-(X^2+X+1)=(X^2+X+1)(X-1-1)=(X^2+X+1)(X-2)你可能感兴趣的文章:
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