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 = 0
x^2 = 0
x = 0
x = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
3/x-((2*x)/(x^2))-2+4 = 5/x+2 // - 5/x+2
3/x-((2*x)/(x^2))-(5/x)-2-2+4 = 0
3/x-2*x^-1-5*x^-1-2-2+4 = 0
-4*x^-1 = 0 // : -4
x^-1 = 0
x naleu017Cy do O
x belongs to the empty set
| x+x-8-x=8 | | f(x)=-16x^2+c | | -8=6x-7-7 | | 9/5x=6/2x | | x^2=3600 | | x^2-10x=-40 | | 0=0.05s^2+1.1s-78 | | r/3.1=500 | | h=3200+-16t | | 4x-1=9x-16 | | x^2-20=5 | | -3(x^2+-6x+40)=0 | | 7-3(X+1)=X | | -56/-7 | | 9/5x-2/5=9/5x-1/2 | | 4(X-3)-5=1+3(X+1) | | 7x-4y=-5 | | -5x+8=3x+8 | | -4.16/0.8 | | -3x^2=162 | | x^2-21x+121=0 | | -2x^3=-163 | | 5x-18x=8x | | 3ln(2x-7)=9 | | 6x-(2x+5)=1/4(8x-4) | | 7-[4+(x-3)]=11(x+2) | | 13/9x+9/8x+8+9+5 | | h(t)=-9t^2+54t | | -1.2+2.5=3x+4.6 | | 1.2(-40+5y)-3y=-19.5 | | 11m+(7j*2)-3m+j= | | 7c-10=11 |