If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
2*x^-3*y^2 = 0
x = 0
(2*x^2*y)^-3 = 0
2*x^2*y = 0
2*x^-3*y^2 = 0
2*x^-3*y^2 = 0
2*x^-3*y^2 = 0 // : 2*y^2
x^-3 = 0
x należy do O
x = 0
x = 0
(2*x^2*y)^-3 = 0
(2*x^2*y)^-3 = 0
1/8*x^-6*y^-3 = 0 // : 1/8*y^-3
x^-6 = 0
x należy do O
2*x^2*y = 0
2*x^2*y = 0
2*x^2*y = 0 // : 2*y
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
((2*x^-3*y^2)^-4)/((2*x^2*y)^-3) = 0
1/2*x^18*y^-5 = 0 // : 1/2*y^-5
x^18 = 0
x = 0
x in { 0}
x belongs to the empty set
| y=-4x/1 | | y=4x/1 | | 3log(2x)+4=7 | | x^3+11x^2+18=0 | | 6n+21=57 | | sin^2x-3sinx-10=0 | | ln(9x-8)=6 | | 7x-4+6x=7x+35-7x | | 13(t-5)+5t=6(3t+3)-13 | | 36u^2=9u | | -6X+13+7X=-2 | | -.45(40)+.8X=.3(40+X) | | 2(-10)+5y=10 | | 4w+3w-6w-6w=w+15+2w-31 | | 1-5x=13+x | | 4g^2+2g+3=0 | | 4X+8-3X=3 | | 2y+6=8+3y | | (x-2)(3x+5)= | | -10/x=5/x-10/3 | | x-255=443 | | 46=3u-11 | | 600=2500(X)(4) | | (5x-2)/2x-18 | | 4n-6.4=2(n+1.3) | | (5x-2)/2x-18=0 | | x+255=433 | | 6x^2+7x-2= | | -4r+12=-72 | | 4/840=4/x | | 4/3x-2=16 | | 840/x=3/4 |