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)
(5/4)*x-(2/x) = 3 // - 3
(5/4)*x-(2/x)-3 = 0
(5/4)*x-2*x^-1-3 = 0
5/4*x^1-2*x^-1-3*x^0 = 0
(5/4*x^2-3*x^1-2*x^0)/(x^1) = 0 // * x^2
x^1*(5/4*x^2-3*x^1-2*x^0) = 0
x^1
(5/4)*x^2-3*x-2 = 0
(5/4)*x^2-3*x-2 = 0
DELTA = (-3)^2-(-2*4*(5/4))
DELTA = 19
DELTA > 0
x = (19^(1/2)+3)/(2*(5/4)) or x = (3-19^(1/2))/(2*(5/4))
x = 2/5*(19^(1/2)+3) or x = 2/5*(3-19^(1/2))
x in { 2/5*(3-19^(1/2)), 2/5*(19^(1/2)+3)}
x in { 2/5*(3-19^(1/2)), 2/5*(19^(1/2)+3) }
| 17+8=117 | | 9e-11=6u+13 | | 2(58)-8=180 | | x^3-82x^2-82x+1=0 | | 5y-8=92 | | 5-3(x-2)=11 | | 5u+9u=16-19 | | 4-5i/4-6i | | C=18x-9y+3z | | 2h-5/2=.5 | | 2x-8+72=180 | | 5y-7y=-3 | | df=g-10ford | | .8k-5=-7+.4 | | 3*4-2(5-2)= | | log[3](4x-1)=0 | | -3/5=-7/3v | | ?/5=-1/4 | | -3x+9-5(x-1)=-(2x-5)-5x+5 | | -10x+35+5x=-5x+20 | | 186-v=232 | | 30n^4-21n^3-18n^2=0 | | 2x+3x=x+6 | | x^8+y=7 | | X=x^2+8x-20 | | 30n^4-21n^3-18n=0 | | -5+9=8x-3x | | 3(p+2)=3(2p-4) | | -4(2t+4)=-56 | | k/5;0 | | 2x-6=5(-x-4) | | 9/2u=-3 |