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 = 0
x = 0
x in (-oo:0) U (0:+oo)
3/x = 12/5 // - 12/5
3/x-(12/5) = 0
3/x-12/5 = 0
3*x^-1 = 12/5 // : 3
x^-1 = 4/5
-1 < 0
1/(x^1) = 4/5 // * x^1
1 = 4/5*x^1 // : 4/5
5/4 = x^1
x = 5/4
x = 5/4
| 5x*2(x+4)=64 | | 4*2.5-10-0.5= | | 3x=9x+6 | | 5(6x-7)=-65 | | 3t+7t+2=8+5t-2t | | -4+8x+10-10x= | | 3k-5=-8(6+5k) | | (K+5)(k-5)=0 | | -37+m=-5(1+3m) | | -11ab+32ab+-141ab= | | -5-9y+10y=5 | | 2+x=2x+1 | | -85xyz+-44xy= | | [x]+5=7 | | x^4+2x^2-8x-16=0 | | -60y^3+320y^3+-81y^3= | | 1+24=-5(5x-5) | | x+2+.75x-1=8 | | 6+10t-4=8+3t | | 2(-1x-4)=-32 | | .4x+3=5 | | 784m^2+430m= | | T=m-nforN | | .333x-6=2 | | x+4x+20=180 | | 5x-6=-7x+102 | | 3/4(x+9)=9 | | y=x^3-5x^2+6x | | 6X+-8=4(-2X+5) | | -8m+-342m+517m= | | x+10=3x+12 | | 4x/5+16-3y=0 |