If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
35*x^7*y^-3 = 0
35*x^7*y^-3 = 0
35*x^7*y^-3 = 0
35*x^7*y^-3 = 0 // : 35*y^-3
x^7 = 0
x = 0
x in (-oo:0) U (0:+oo)
(14*x^4*y^2)/(35*x^7*y^-3) = 0
2/5*x^-3*y^5 = 0 // : 2/5*y^5
x^-3 = 0
x naleu017Cy do O
x belongs to the empty set
| -51=3x | | 3x+2=6x-19 | | -4x-6=-9-5x | | 3x^2-6y^2-12y-24=0 | | 7+2x=-4x+7 | | 3f-f-g= | | 7x-7=x-13 | | 4+2x-2=12 | | x^2+3x=22 | | 166-5x=6x-23 | | 16-3x=-41 | | 4+2x-2=10 | | x*2=x-20 | | 5x-7x+14=4-11-9 | | 5x-7x+24=4-11-9 | | =155-2.2t | | 6x+202=15x-5 | | 20y^4/30y^5 | | (v^2+9v+14)(5v-25)=0 | | -b/3=4 | | =7.95+0.07m | | 3(2x-1)=1c | | 2(k+5)-12= | | -18k-6=-45-4k | | 7x-20=6x-15 | | 3g+2g-g= | | 6-8x=110-36x | | 90-7.50h= | | 8+2q=28 | | 2x^2-8x=20 | | 150=12t | | 6x-54/2x-18 |