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 = 0
x = 0
x in (-oo:0) U (0:+oo)
((8*x^-2)/5)*((x^11)/5-(3*x)) = 0
((8*x^-2)/5)*((x^11)/5-3*x) = 0
8/5*x^-2*(1/5*x^11-3*x) = 0
1/5*x^11-3*x = 0
x*(1/5*x^10-3) = 0
1/5*x^10 = 3 // : 1/5
x^10 = 15
x^10 = 15 // ^ 1/10
abs(x) = 15^(1/10)
x = 15^(1/10) or x = -15^(1/10)
x*(x-15^(1/10))*(x+15^(1/10)) = 0
8/5*x^-2*x*(x-15^(1/10))*(x+15^(1/10)) = 0
( 8/5*x^-2 )
8/5*x^-2 = 0 // : 8/5
x^-2 = 0
x należy do O
( x+15^(1/10) )
x+15^(1/10) = 0 // - 15^(1/10)
x = -15^(1/10)
( x-15^(1/10) )
x-15^(1/10) = 0 // + 15^(1/10)
x = 15^(1/10)
( x )
x = 0
x in { 0}
x in { -15^(1/10), 15^(1/10) }
| 75+.75x=55+.85x | | -4/9x=-3/2 | | -10t+6=-44 | | 4C+14= | | -10b^2=-950 | | -4b^2=-200 | | (10/9x^-1/3)-(10/3x^-1/3)=0 | | -5=-7x+2x^2 | | -3x^2=-267 | | (10/9x^-1/3)-(10/3x^-1/3) | | .79x+56=1.59x | | 3.25t+5=14.5t+14 | | cm=12m | | 2x^4-2x^2-x-5=0 | | ((-27x-3)*2)+(-37x+2)=360 | | 3+.2x=.3x | | d=2+10 | | 361=-64x | | 4x-1/12=5/6 | | Y=360-(-64x-1) | | w^2+13x+40=0 | | 5m-3n+m-2n= | | 0=53 | | 4q-5=23 | | n^2+5=91 | | n^2+5=92 | | 5/3x^2/3-10/3x^-1/3=0 | | (7/x)-(1/3x)=8/3 | | 150-10q+2q^2=200+40q | | (20x^4)(e^4x)=0 | | 2x+30=-0.05x^2+1.5x+48.75 | | 1d-1=4d+9+1 |