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
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
(X^9)/(x^2) = 0
X^9*x^-2 = 0 // : X^9
x^-2 = 0
x naleu017Cy do O
x belongs to the empty set
| 2x+5x=4 | | x/3-4=-8 | | q-3=-2 | | 25/4=x/10 | | 10x+8-7x+2= | | 9y+9+8y-8= | | -2(3p-8)-4(p+2)-17p= | | -21=-3w | | 4(z-5)+7z-1= | | 10x+8y=-20 | | 0.9y+3=y-0.6 | | 5(t-2)=20 | | -4e=-12 | | 17x+9=2x^2 | | y=2/3(2)-6 | | x^2-xy-20y^2= | | x+(-1.5)=-3.0 | | 12=13+x | | y=x-1/5x+4 | | 18-16(x-3/8) | | 24x=180-x^2 | | 8-3x=18+2x | | 13x=5x+20 | | -x^2+27x-180=0 | | 3k-4=6k-22 | | 2x+3.75y=5 | | 19x-6=12x+8 | | 4n+6=2n+12 | | log^36(x)=.5 | | 12x+15=15x+3 | | 1/2(x+10)=3/4(x+20) | | 7(1+n)+6(1+4n)=13 |