If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
4/m-((5*m)/12) = 1/6 // - 1/6
4/m-((5*m)/12)-(1/6) = 0
(-5/12)*m+4/m-1/6 = 0
4*m^-1-5/12*m^1-1/6*m^0 = 0
(4*m^0-5/12*m^2-1/6*m^1)/(m^1) = 0 // * m^2
m^1*(4*m^0-5/12*m^2-1/6*m^1) = 0
m^1
(-5/12)*m^2+(-1/6)*m+4 = 0
(-5/12)*m^2+(-1/6)*m+4 = 0
DELTA = (-1/6)^2-(4*4*(-5/12))
DELTA = 241/36
DELTA > 0
m = ((241/36)^(1/2)-(-1/6))/(2*(-5/12)) or m = (-(-1/6)-(241/36)^(1/2))/(2*(-5/12))
m = -6/5*((241/36)^(1/2)+1/6) or m = -6/5*(1/6-(241/36)^(1/2))
m in { -6/5*((241/36)^(1/2)+1/6), -6/5*(1/6-(241/36)^(1/2))}
m in { -6/5*((241/36)^(1/2)+1/6), -6/5*(1/6-(241/36)^(1/2)) }
| (9-3p)=8 | | 6y-9-3y+7=0 | | 5/9p=10 | | g(-2)=-2x^3-5 | | =4x-(x-2x^2)+x(3-x) | | 1.2t=2.9-6.5 | | 5a+9b+4c=-3 | | 5x-4x=x+8 | | 7-3(5+4n)=8n+32 | | lny=lnx+1 | | 33-4(8-5)= | | 5(3x-2)+6(2-2x)=3x | | 9=2(2x-1) | | 15x-5=30x+1 | | 2x+1=2x-8 | | [-2n+6]=6 | | (1/3x)=2-(2/3x) | | 1/3x=2-(2/3x) | | 8-2(3-6)= | | X+2y-3z=11 | | (2x+3)(2x^2-9x+7)=0 | | =-4(3b-2)+5b | | 2x+29=x+26 | | 8(3x-6)+4(9-5x)= | | 6x+(14x-5)+17(-3x)= | | -2=-4x+x-1 | | 3(3)=2x-1(2) | | w-9=4.3 | | 2h^2+h-6=0 | | 12/35=n/160 | | 7-2x+1=10 | | 2h+h-6=0 |