If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( m )
3*m = 0
3*m = 0
3*m = 0
3*m = 0 // : 3
m = 0
m in (-oo:0) U (0:+oo)
(3*m^2-(9*m))/(3*m) = 0
(3*m^2-9*m)/(3*m) = 0
3*m^2-9*m = 0
3*m*(m-3) = 0
m-3 = 0 // + 3
m = 3
3*m*(m-3) = 0
m-3 = 0
m-3 = 0 // + 3
m = 3
m = 3
| -8(10+9x)=8 | | 5v-8+2v=-29 | | 10x^2-2x=7 | | 1/2-3/5=z/10 | | 5a-2.5=7.5 | | 13/(13-11)2 | | 6=3(x+4)-(2x-6) | | X^2+30=17x | | 6y+79=-y-5 | | (5x-4)-(2x+3)= | | y=7(210+x) | | a*b=b | | Y^2+7y=10 | | 5x(5x+8)=33 | | (9a+7)-(10-3a)= | | 5/4y=9 | | -8(10+9x)=-8 | | -7n+2=11n-8n | | (3m2-9m)/(3m) | | 4/u=28/35 | | 16w=-7 | | 4x+25-5x= | | 4(-4)-2(-2)= | | (4x-3)-(2x+7)= | | q^2-15q+15= | | 5+(-8)n=20 | | 7x-1=8x-6 | | 6y=9x+-4 | | 2x+3(80-x)=37 | | 3y-5=2y-1 | | 7g+8forg=5 | | 8t-18=53+3t |