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^6 = 0
x^6 = 0
x^6 = 0
1*x^6 = 0 // : 1
x^6 = 0
x = 0
x in (-oo:0) U (0:+oo)
((x^7*y)/(x^6))*y^5 = 0
x*y^6 = 0 // : y^6
x = 0
x in { 0}
x belongs to the empty set
| z/6=3 | | t^3+2t^2-9t-18= | | 0.2(X+3)+1.2(X-2)= | | y=3(x-7)-7x | | -17+z=5 | | ((5x-7)/3)-4=-8 | | -16=5v+3(v+8) | | 5b=-5 | | (5x^2+4x-4)+(4x^2+2x-8)= | | 7.5x+3.5y-3.8=0 | | 3x-23=31 | | b=-5 | | a+(7)=8 | | 45-5h^2= | | 44=b+63 | | 5(x+-4)+3x+-9x=6+-1(2x+5)+8x | | 11+c=-5 | | 5(y-7)-7y=-27 | | q+(-3)=17 | | 3y^2-30y+48= | | 3(r-2)+7(r-5)= | | log(5)+log(x-6)=log(8) | | 16x+18+24x+2= | | 9v^4+18v^2+9= | | 3y^2-30y=48 | | 15=x+42 | | y=-3.6x+7.7 | | y=-3.1+2.5 | | y=-3.6x+7 | | (11v-7)(4v-12)=0 | | (3v-5)(9-v)=0 | | 7X+5Y=24.025 |