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^2*((y^-3)/2) = 0
(((7*x^3)/2)*y^5)/(x^2*((y^-3)/2)) = 0
x^2*((y^-3)/2) = 0
x^2*((y^-3)/2) = 0
1/2*x^2*y^-3 = 0 // : 1/2*y^-3
x^2 = 0
x = 0
(((7*x^3)/2)*y^5)/(x^2*((y^-3)/2)) = 0
(((7*x^3)/2)*y^5)/(x^2*((y^-3)/2)) = 0
7*x*y^8 = 0 // : 7*y^8
x = 0
x in (-oo:0) U (0:+oo)
((((7*x^3)/2)*y^5)/(x^2*((y^-3)/2)))^-2 = 0
1/49*x^-2*y^-16 = 0 // : 1/49*y^-16
x^-2 = 0
x należy do O
x belongs to the empty set
| ((x-3)/2)=-(x/7) | | ((7x^3/2*y^5)/(x^2*y^-3/2))^-2 | | 2/4-8=18 | | xcubed+25=21 | | 55-x=.5y | | 2(6y-18)-102=78-18(y+2) | | f(0)=5x+3 | | 125x^3-5x^3= | | 3x-11=5x/17 | | Z-24=25 | | 2y^3+y-50=0 | | -4*(-2)= | | f(-7)=2x^2-3x+4 | | 3qr+10t=3u | | 3qr+10t=3uforr | | 4y/y2= | | Y=17.8x+210 | | 6.89+4c=20.85 | | 15*4xy*9/6*25x*15y | | 5(6+2w)-6(3+5w)=8 | | 4+1.50p=14.50 | | 34+(-41)= | | f(x)=4x-1/4 | | 10(9a+6)=3(8a-2) | | 7a-(2a+5)=0 | | (3x+1)-(4x-2)=0 | | -32+(-27)= | | -17.55=9.4k+2.3k | | 2z-4-a=4 | | a-12=7a | | -10=7+1z | | 2*x^2-3*x-9=0 |