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)
x+14/x-3 = -1/2 // + -1/2
x+14/x-(-1/2)-3 = 0
x+14/x+1/2-3 = 0
1*x^1+14*x^-1-5/2*x^0 = 0
(1*x^2-5/2*x^1+14*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^2-5/2*x^1+14*x^0) = 0
x^1
x^2+(-5/2)*x+14 = 0
x^2+(-5/2)*x+14 = 0
DELTA = (-5/2)^2-(1*4*14)
DELTA = -199/4
DELTA < 0
x in { }
x belongs to the empty set
| -x/-1 | | 45=5/9(F-32) | | (5u^3+4u^2)+(35u+28)=0 | | -2+(9-k)=-(7+k) | | 22x^12-33x^7/11x^3 | | (4x)(2x)=560 | | 0.3(x+30)+0.9(x-10)=24 | | -18x-36-9+-24= | | -x/2*2 | | -x/-2 | | 7m/11=5/22 | | 2w^2(w-8)+7(w-8)=0 | | 3x+21y=33 | | 4(x+3)+8(x+2)=6(4x-3) | | -x/2=-12 | | 7a-8b-2a+3b= | | 2a+3=5a-11 | | 5e^4x=910 | | d=4m+7n | | 5x-42= | | 5x+24= | | (2v^6w^3-16u^8v^4w^4)=0 | | (2v^6w^3)-(16u^8v^4w^4)=0 | | 2v^6w^3-16u^8v^4w^4=0 | | 33/4+21/5 | | (3v-8u)(3v-8u)=0 | | (9v+y)(9v+y)=0 | | -z/5-6+6 | | (7y+2u)(7y+2u)=0 | | (5y-6v)(5y-6v)=0 | | (2y^6z^3-4y^2)(9yz^4)=0 | | 5x^2-24x+36=0 |