If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
(12*a^3*b^5*c^5)/(6*a^-4*b^2*c^-2) = 0
6*a^-4*b^2*c^-2 = 0
(12*a^3*b^5*c^5)/(6*a^-4*b^2*c^-2) = 0
(12*a^3*b^5*c^5)/(6*a^-4*b^2*c^-2) = 0
2*a^7*b^3*c^7 = 0
x należy do R
6*a^-4*b^2*c^-2 = 0
6*a^-4*b^2*c^-2 = 0
6*a^-4*b^2*c^-2 = 0
x należy do R
x belongs to the empty set
((12*a^3*b^5*c^5)/(6*a^-4*b^2*c^-2))^-2 = 0
x belongs to the empty set
| y=3.5x+20 | | 6i-9=-21 | | 14q+16r+8q+4r+9= | | 4x^2+9y^2+16x-18y-11=0 | | x+30=6 | | 6x^2-11x-8=0 | | -6.7(2p+6)-2.4(3p-5)= | | 9k-36=2k-7+5k | | -12b+60=3b-57 | | (3x-10)/23=10 | | -8d=349.6 | | .5x+2.8-x=.6x+.3 | | x^2-6x+45=x^2 | | 4(5c-2)-1=10c+1 | | 7x+1x=3x+2x | | x^4-30x^2+124=0 | | 8x-112=3x-7 | | 4x+3-7x=-3 | | x^4-10x^3+23x^2+10x-24=0 | | 9y+-4(1y+5)=40 | | 25=25n | | 2y-4x=16 | | 2x^2+7=11 | | 8-5w=-14 | | 8[1-(-2x-3)]=64x+104 | | (3x^2/2y^2)^5 | | log(4)*x^2-log(4)*5=log(4)*225 | | 6-1/10x=15 | | 32=2x^2+8x | | 6-(3x-5)=19 | | -.15x=55.2-x | | 16z^2+4z-30=0 |