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^2-4 = 0
m-2 = 0
m+2 = 0
m^2-4 = 0
m^2-4 = 0
1*m^2 = 4 // : 1
m^2 = 4
m^2 = 4 // ^ 1/2
abs(m) = 2
m = 2 or m = -2
m-2 = 0
m-2 = 0
m-2 = 0 // + 2
m = 2
m+2 = 0
m+2 = 0
m+2 = 0 // - 2
m = -2
m in (-oo:-2) U (-2:2) U (2:+oo)
3/(m+2)+2/(m-2) = (3*m)/(m^2-4) // - (3*m)/(m^2-4)
3/(m+2)+2/(m-2)-((3*m)/(m^2-4)) = 0
3/(m+2)+2/(m-2)-3*m*(m^2-4)^-1 = 0
3/(m+2)+2/(m-2)+(-3*m)/(m^2-4) = 0
(3*(m-2)*(m^2-4))/((m+2)*(m-2)*(m^2-4))+(2*(m+2)*(m^2-4))/((m+2)*(m-2)*(m^2-4))+(-3*m*(m+2)*(m-2))/((m+2)*(m-2)*(m^2-4)) = 0
3*(m-2)*(m^2-4)+2*(m+2)*(m^2-4)-3*m*(m+2)*(m-2) = 0
5*m^3-3*m^3-2*m^2-20*m+12*m+8 = 0
2*m^3-2*m^2-8*m+8 = 0
2*m^3-2*m^2-8*m+8 = 0
2*(m^3-m^2-4*m+4) = 0
m^3-m^2-4*m+4 = 0
{ 1, -1, 2, -2, 4, -4 }
1
m = 1
m^3-m^2-4*m+4 = 0
1
m-1
m^2-4
m^3-m^2-4*m+4
m-1
m^2-m^3
4-4*m
4*m-4
0
m^2-4 = 0
DELTA = 0^2-(-4*1*4)
DELTA = 16
DELTA > 0
m = (16^(1/2)+0)/(1*2) or m = (0-16^(1/2))/(1*2)
m = 2 or m = -2
m in { -2, 2, 1}
2*(m+2)*(m-2)*(m-1) = 0
(2*(m+2)*(m-2)*(m-1))/((m+2)*(m-2)*(m^2-4)) = 0
(2*(m+2)*(m-2)*(m-1))/((m+2)*(m-2)*(m^2-4)) = 0 // * (m+2)*(m-2)*(m^2-4)
2*(m+2)*(m-2)*(m-1) = 0
( m+2 )
m+2 = 0 // - 2
m = -2
( m-1 )
m-1 = 0 // + 1
m = 1
( m-2 )
m-2 = 0 // + 2
m = 2
m in { -2}
m in { 2}
m = 1
| b+20=18 | | 64y^14+16y^10+40y^6=0 | | X(2)+12=X(3)+2 | | -30m-14=70 | | 4/5=-4/7x | | 3c+8h=1 | | 7-4+8x4 | | 2x+x=7-10x | | 3x-8i=10+5yi | | 7m^2=8m-2 | | 4x-6+6=14+x-3+1 | | (d-4)=-2d+8 | | 3/m+2+2/m-2=3m/m^2-4 | | 4/5p+1=-11 | | -9i(-9i+4)+3(8+8i)= | | -8X+9=41 | | 1=2x+1/5 | | f+3*1=12*1 | | 3ln(3a)=ln(9a^3) | | -7G+6/7=11/14 | | 63000=.3333x-2.6666y | | 4n^2-32n-6=-8n-6 | | 3x-2(x-1)=-8 | | 7m+4(4m-4)=6(m+3) | | 3ln(3x)=ln(9x^3) | | -5y-3(6-7y)=-18-2y | | 63000=.3333m-2.6666h | | 12.5=t/1 | | -2x+3/-5=25 | | -9/8=9/4y-9/2 | | 2x+58=58+2x | | 63000=2.6666h+.3333m |