If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
6*x^7 = 0
6*x^7 = 0
6*x^7 = 0
6*x^7 = 0 // : 6
x^7 = 0
x = 0
x in (-oo:0) U (0:+oo)
(4*x^5*y)/(6*x^7) = 0
2/3*x^-2*y = 0 // : 2/3*y
x^-2 = 0
x należy do O
x belongs to the empty set
| 7=8-50+x | | -3+2x=6x-3x-1 | | 4x^2-12= | | -3+2x=6x-3(x+1) | | 2f-1=6+f | | 2x^2y+y=2x+13 | | -6x+7=2x-4+6 | | (p+17)+(4p)+x=180 | | 5x^2-55= | | 25+35x=87 | | 400xn=3340 | | 3n^2-8x+4=0 | | 10+5v=-6+16+32v | | 6b+3-1=4b+14 | | 17g+34=34+9g | | 3(x-4)+3x=2(x+20) | | 3cosx+sinx=2 | | 7y=y^3 | | 8m-3=-3m-19 | | n+-0.26=169.39 | | 6x+9=26 | | ((6p-6)/p)*((2p)/9p-9) | | 2-x-7-y=0 | | 3x^2+14x=191 | | 9-15/2= | | 4+5g=4g | | 40x+8(1.5x)=962 | | 3+2a+4=9-2a | | 2a+14=9 | | 20b-50=14+4b | | n^2-15n+16=0 | | F(x)=x^3-9x^2+24x-23 |