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)
(5/3)*x+2/x = 1 // - 1
(5/3)*x+2/x-1 = 0
5/3*x^1+2*x^-1-1*x^0 = 0
(5/3*x^2-1*x^1+2*x^0)/(x^1) = 0 // * x^2
x^1*(5/3*x^2-1*x^1+2*x^0) = 0
x^1
(5/3)*x^2-x+2 = 0
(5/3)*x^2-x+2 = 0
DELTA = (-1)^2-(2*4*(5/3))
DELTA = -37/3
DELTA < 0
x in { }
x belongs to the empty set
| 5/3+2/x=1 | | 4x^5-24x^4+8x^3=0 | | x^2+300x=15000 | | 6-10x=75-31x | | (5/3)+(2/x)=1 | | 40=0.4x+0.2x^2 | | 40=0.4x | | x-407/4=15/4 | | 3x^2+y^2=36 | | 41-6x=12x+17 | | -5h-1=-21 | | (9-4x^2)/(4x-20)*(24x^2-6x^3)/(2x^2-5x-12) | | 2x^2-14x+45=0 | | 3mn+6m+7mn= | | -324-72c=-225+90c | | x-2.2=7.6 | | 7(n+1)+4(n+7)= | | -5h-1=21 | | -3x+12=2x-3 | | B-1=-2(x+5) | | X+(x-35)+(x-40)+(1/2x)=360 | | X+(x-35)+(x-40)+(1/2x) | | 19-7=3x | | 42=a-26 | | -4x-12=-x^2 | | 19/5(-10/3) | | 15(t-3)+3t=6(3t+2)-8 | | -3k+10=10 | | 6*0.5=.25x | | x^2-80x+4000=0 | | x-5.5=8.9 | | 6/7=12 |