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)
10/9 = 30/m // - 30/m
10/9-(30/m) = 0
10/9-30*m^-1 = 0
-30*m^-1 = -10/9 // : -30
m^-1 = 1/27
-1 < 0
1/(m^1) = 1/27 // * m^1
1 = 1/27*m^1 // : 1/27
27 = m^1
m = 27
m = 27
| 7x=-4/9 | | -6p^2+9pq+6q^2= | | 2x+3x=6x-9 | | m+14.6=284.7 | | -6=d-2 | | 1/8(t-5)=-2 | | slope-10x-8y=18 | | 5t+1+t+3+9t=49 | | -10x-8y=18 | | 3c+11-8c-4=-18 | | h+5/2=17 | | 3/8=4m-3/12 | | 7x+8=-12x | | (5xy)(5xy)= | | 2.2m-15.1=-8.5 | | 3-18/9+6*3-5 | | 5-(8-r)=8-3x | | 4x+13=-17 | | 5=2-3 | | g^2-5g=-6 | | 3-18/9+6 | | b/2+16=36 | | 4x^2-3x+4=4x+1 | | X/a | | p=2*(l+b) | | x/a=x/b | | a/2+4=12 | | 4m-10=3(4+m) | | x^4-1296i=0 | | w(2w+12)=54 | | 20*x^20=90 | | -15=16p+15-10p |