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 = 0
((2*x^3*y^2)/((-x)^2))*y^5 = 0
(-x)^2 = 0
(-x)^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
((2*x^3*y^2)/((-x)^2))*y^5 = 0
((2*x^3*y^2)/((-x)^2))*y^5 = 0
2*x*y^7 = 0 // : 2*y^7
x = 0
x in (-oo:0) U (0:+oo)
(((2*x^3*y^2)/((-x)^2))*y^5)^-2 = 0
1/4*x^-2*y^-14 = 0 // : 1/4*y^-14
x^-2 = 0
x naleu017Cy do O
x belongs to the empty set
| 7q-(9q+14)=2-(6q-5) | | 4x^4-9x^2+8=0 | | 9n^2-5n+8=0 | | 5y-8+y+46=7y+40-3y | | 2/3k-42=-32 | | (4/5)=-(4/7)g | | 7q-(5q+5)=9-(5q-6) | | -1/2+y=-4/7 | | 3-2x=87 | | 2x+5=-42 | | 5*2+2y=10 | | (2x+5)2+49=0 | | m+3x-2=7 | | 45=-3(21-y)+3(y-2) | | -8=(4/5)k | | 5x=3(x-2)+58 | | 4/-3=43 | | (1/3)x=(1/2) | | 4/3=43 | | (3x+4)+4=(5x-4) | | 56=8a | | 9(x-2)=4x+2 | | 4m+4=-5n | | 48x^7=75x^9 | | 45r=1395 | | 4=c+15 | | -3Y+17=-11+7Y | | 150m-125m+33600=35525+50m | | 16-(-15)+x=21 | | 15v=825 | | a-11=19 | | -23i^2+4i-20=0 |