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)
4-(3/x) = 0
4-3*x^-1 = 0
-3*x^-1 = -4 // : -3
x^-1 = 4/3
-1 < 0
1/(x^1) = 4/3 // * x^1
1 = 4/3*x^1 // : 4/3
3/4 = x^1
x = 3/4
x = 3/4
| 4*d^2y/dx^2-y | | 15-7x= | | 5v^2+17=1637 | | 6x-1/6x^2-x | | 0.75/39.162 | | -3.2x+2.3=-13.7 | | x^3+5x^2-28x+72=0 | | -4-3x=-4x | | F(x)=x^3+3x^2+9x+27 | | -6x=-8x+16 | | 6(x+1.24)=5x | | 14+2y-1=9y-11-3y | | 15.6/3.25 | | ((X-1)^2(3x-1)-2(x-1)*3)/((x-1)^4) | | 6+8=-x | | 5-7x=4-3x | | 9x-20=-x+80 | | -35+17=6x+15x | | (2x^2)(4y)= | | 16+12x+2-(12+2x+16)=0 | | -3x+12=-24 | | -2(3x-1)+8=3(4x-2)-8x | | 3X(6-X)+2X=24 | | -5-13=9x+15-8x | | -25+2=m-9 | | -13=x+2 | | (2x-1)(x+1)=(2x+5)(2x-1) | | 7p^2+33p+20=0 | | y+.05x=x | | -5c+3=-27 | | 6(5x+1)=-8(-3+3) | | 6t+7t= |