If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x-1 = 0
x-1 = 0
x-1 = 0
x-1 = 0 // + 1
x = 1
x in (-oo:1) U (1:+oo)
(3*x^2-(5*x)+4)/(x-1) = 0
(3*x^2-5*x+4)/(x-1) = 0
3*x^2-5*x+4 = 0
3*x^2-5*x+4 = 0
DELTA = (-5)^2-(3*4*4)
DELTA = -23
DELTA < 0
1 = 0
1/(x-1) = 0
x belongs to the empty set
| 39=x^2 | | 7x-68=52+x | | 4(4+2p)+3(-3p-1)=15 | | 7x^2+7x^2=112 | | 7xy^2+8x^2y= | | -3(3-5)=-5(-3-4x) | | -142+x=74-8x | | -164-x-9x=106 | | 10y=-32 | | -12=-2x+0.2(20-6x) | | -3(-2x-4)=24 | | 5x+17=-3 | | 7x+18=8x+10 | | h=-16t+60t | | 4m+5=11 | | 4x^2=10s | | 10(r+4+4s)= | | 3x-30=4x+17 | | -141+x=123-10x | | 4x-12=30-3x | | 5=(n+8)/5 | | 4x^2=4x+24 | | 6d+2=15-d | | 72=2x-36 | | -104=6-10(x+2) | | X/7+3=8 | | 13s-(-6-4)= | | 21-4x=-11x | | 120=75+5x | | x^2+7x-7x-49=0 | | X/3+11=20 | | 4(a+2)-9=9 |