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 = 0
x^2 = 0
x = 0
x = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
5/x+5/x-((6/1)/(x^2))-36+6 = 0
5/x+5/x-6*x^-2-36+6 = 0
10*x^-1-6*x^-2-30 = 0
t_1 = x^-1
10*t_1^1-6*t_1^2-30 = 0
10*t_1-6*t_1^2-30 = 0
DELTA = 10^2-(-30*(-6)*4)
DELTA = -620
DELTA < 0
x belongs to the empty set
| -4k-9+6k=-5 | | 4(4x-4)=2(8x+9) | | 15=-x+3 | | 4+(-7)= | | 5(x+1)+12= | | 5x^3-6x^2+1=0 | | 6+3p-4=9p+2-3p | | 7-2(4p-1)=-5p | | -6(7-4x)= | | -42=5h+23 | | 5(5)+b^2=13(13) | | -3n+2=6n-9 | | 20x^3-24x^2+4=0 | | r+9=19 | | 9-(2x+14)=49-8x | | -9(2y-8)= | | 6y-3=4y+13 | | 13t+4=-36 | | v^2+9+14=0 | | 2w^2+1w=66 | | (3x/2)(3x/2)(3x/2)(3x/2) | | 11y=-56 | | 4x-25=6x-50 | | 4(9m-4)= | | 24d^2+39d-18=0 | | -1(x-12)= | | 7X=216 | | 4x^2+15-9=0 | | 15p+9q-6r+6q+8r-2p= | | x+16=40 | | 5.95+0.5(m)=.10(m) | | 6x^3-18x^2-2x+6=0 |