观察分式x-2 x²-6x m

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观察分式x-2 x²-6x m
若2xm+2+1=6是关于x的一元一次方程,则2m-1=______.

根据题意得:m+2=1,解得:m=-1,则原式=-2-1=-3.故答案是:-3.

若分式X/X-2与X-6/X-3互为倒数,则X等于多少?

X=-6x=-6(X/(X-2))*((X-6)/(X-3))=1-

解分式方程:2x+1x

原分式方程化为:2x+1x(x+1)=56(x+1),方程的两边同乘6x(x+1),得6(2x+1)=5x,解得x=-67.检验:把x=-67代入6x(x+1)≠0,即x=-67是原分式方程的解.则原

解分式方程:2x

去分母得:2+x(x+2)=x2-4,解得:x=-3,经检验x=-3是分式方程的解.

分式计算x²+2x/x²-6x+9÷x²-4/x²-3x

x²+2x/x²-6x+9÷x²-4/x²-3x=x(x+2)/(x-3)^2*x(x-3)/(x+2)(x-2)=x^2/[(x-3)(x-2)]

解分式方程x/X-2-1-X^2/X^2-5X+6=2X/X-3

是X/(X-2)-(1-X^2)/(X^2-5X+6)=2X/(X-3)吗?首先因式分解(X^2-5X+6)=(X-2)(X-3),显然X不等于2且X不等于3,所以等式两边同乘以(X-2)(X-3)得

分式2x−6

当分母x-6≠0,即x≠6时,分式2x−6有意义;故答案是:x≠6.

解分式方程:x-3/x-1-x-4/x-2=x-5/x-3-x-6

(x-3)(x-2)-(x-4)(x-1))/((x-1)(x-2))=((x-5)(x-4)-(x-6)(x-3))/((x-3)(x-4))2/((x-1)(x-2))=2/((x-3)(x-4)

分式通分:x+1/3x,x/2x+6,x-1/x^2-9

1,(X×3X)/3X+1/3X=(3X^2+1)/3X2,X/2X+(6×2X)/2X=(X+12X)/2X=13/23,(X-1)/X^2-[(9×X^2)/X^2]=[X-1-(9X^2)]/X

分式方程.x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)

(x-9)/(x-7)-(x+1)/(x-1)=(x-8)/(x-6)-x/(x-2)[(x-9)(x-1)-(x+1)(x-7)]/[(x-7)(x-1)]=[(x-8)(x-2)-x(x-6)]/

若分式x/x-2与x-6/x-3互为倒数,则x等于

(X/(X-2))*((X-6)/(X-3))=1->X(X-6)=(X-2)(X-3)->X^2-6X=X^2-5X+6->X=-6

解分式方程,7/(x^2+x)+3/(x^2-x)=6/(x^2-1)

7/(x^2+x)+3/(x^2-x)=6/(x^2-1)7/x(x+1)+3/x(x-1)=6/(x-1)(x+1)分子分母同乘以x(x-1)(x+1),得7(x-1)+3(x+1)=6x10x-4

因式分解的几道题 -3x³+12x²-12xm²(a-2)+(2-a)

-3x³+12x²-12x=-3x(x²-4x+4)=-3x(x-2)²m²(a-2)+(2-a)=m²(a-2)-(a-2)=(a-2)(

约分下列分式(x-y)/(y-x)³(x²-9)/(6-2x)(x²-1)/(x-x

(x-y)/(y-x)³=-1/(x-y)²(x²-9)/(6-2x)=(x+3)(x-3)/[-2(x-3)]=-(x+3)/2(x²-1)/(x-x

分式x

由题意可得x2-9=0,解得x=±3,又∵x2+3x≠0,解得x=3.

分式(x^2-3x-4)/(x^2-5x-6),当x为何值时.分式无意义?还有分式等于0?

档分母=0时,无意义x^2-5x-6=0x=-1或6当分子=0,分母不等于0时,分时=0,首先要保证分式有意义x^2-3x-4x=-1或4取x=4(-1时,分式无意义)

x/(x-2)+(x+1)/(x-6)=2x/(x-3) 解分式方程

你好,我认真解答了这道题,看最终没有实数解啊.我希望能帮到你

x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6 分式方程

X-1/X-2-(X-2)/(X-3)=(X-5)/(X-6)-(X-6)/(X-7)(X-1)(X-3)-(X-2)²/(X-2)(x-3)=(X-5)(X-7)-(X-6)²/

分式计算:x²+2x/x²-6x+9÷x²-4/x²-3x

分式计算:[(x²+2x)/(x²-6x+9)]÷[(x²-4)/(x²-3x)]原式=[x(x+2)/(x-3)²]•[x(x-3)/(