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)
3*x+24/x+8 = 0
3*x^1+24*x^-1+8*x^0 = 0
(3*x^2+8*x^1+24*x^0)/(x^1) = 0 // * x^2
x^1*(3*x^2+8*x^1+24*x^0) = 0
x^1
3*x^2+8*x+24 = 0
3*x^2+8*x+24 = 0
DELTA = 8^2-(3*4*24)
DELTA = -224
DELTA < 0
x in { }
x belongs to the empty set
| -29.5=2+5(n+6) | | 36x+22=-202 | | (5n+(-8))-(4n+(-7))= | | 4a-5-2a-9=28 | | 2n+1+1n=14 | | (155+x)/3=77 | | 6.6=h+4.9 | | -19.5+2.5x=-6.5(6x+8.5) | | N+12=30 | | (25+20)/5+4 | | 9+8.5(1+3.5r)=16.5 | | 4n^2+n-14=0 | | 4x+3=x-12 | | 5.5(7.5s+9.5)=-29.5-8s | | x+x=17 | | 288=x-46 | | x-5+29=180 | | -4x+49x-21=-291 | | -8(6x-1)=4(-8-7x) | | 3+(-1/3)+(-5/3)=n | | 7*13= | | 5a+3a=72 | | 3x*7+7*5=12 | | 2x^2+10x-8=0 | | 21n^2+13n-20=0 | | 2x-x+4x=19 | | 12x+2y=230 | | 110+7x=180 | | x+110=x+80 | | x+3+49=90 | | x+-36+8=8x-12 | | 2n-9/2=n |