If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x^5*((4*x^-3*y^9)/12)*y^-4 = 0
1/3*x^2*y^5 = 0 // : 1/3*y^5
x^2 = 0
x = 0
x in { 0}
x belongs to the empty set
| 4[-5(3x+5)+4(5x-3)]= | | 5[-4(4x+4)+4(5x-2)]= | | 5(2x-4)+16-6x=16 | | (lnx)+(ln(x+2))=6 | | 4a^2/b^3=7a/3b^2 | | -6g-10+4g+3=15 | | 5.4+4.8+4.1+2.6= | | 5-20=-3z | | 4x+x+3x+54=180 | | 46/7-3/4m=7 | | (5.4+4.8)+(4.1+2.6)= | | x+16+3x-20=180 | | 1/3+1/5x1/9 | | 5z=1.5+4.5 | | 0=-4.9t^2+15t+0.4 | | 15/2a+5=17 | | 3.3+3.3+3.3+3.3= | | 3.3+3.3+3.3= | | 9x+220-14x=180 | | -4.3-3x=7.4 | | 5x-24=71 | | 3(2x-9)+x=15 | | 3/8x+3 | | 7z^2+35z-az-5a= | | 9x+2+x-12=0 | | 9x+2+x-12= | | -12/(-3) | | a^2x(a-1)=(a+1)x | | -21x+12-18x^2= | | (-2/3)(7) | | 6x-7+103-x+2x=180 | | 2y^3+5y^2-18y-45= |