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)
64-((x^2)/x)-8 = 0
64-x-8 = 0
56-x = 0 // - 56
-x = -56 // * -1
x = 56
x = 56
| 4T-3(t-2)=t-6 | | 9-4(2x-1)=7 | | -7(z+6)=-6z-2 | | X-u=v | | 3x/2=36 | | 1/2(x-18)-5= | | 2x+35=x | | x/9-12=40 | | X^2+4x-5x-12=120 | | 3/5x13 | | 2x^2+5=-55 | | 8x+7=9x-2x | | 35+3x=-8x+7(6x+5) | | 2(3x+2)=-16 | | (-5)2+(9+42)=5b | | -2(5.25+6.2x)=-6p+12 | | 3/13=v/8 | | J(x)=3x-8for(j)-7 | | 2+2x+4=7x+11 | | 10/x=18/(x-4) | | -(9z-5)-2z=-10z | | 5/2=10/(x-5) | | X+0.03x=140 | | x-5/6=15 | | 5(5r-8)=20+5r | | 2(1/8)/2=x | | 1/2-x/8=6 | | -3/w-7=-4 | | n/ | | 5(y+4)-2(1-3y)=11y-7 | | 3b-4(b+5)=10 | | S+8.1=10 |