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)
2*x^2-(x^2*((((2/x)/2)*(x^2+12))/4))-(29*x) = 0
(-1/4)*x*(x^2+12)+2*x^2-29*x = 0
2*x^2-1/4*x*(x^2+12)-29*x = 0
2*x^2-1/4*x*(x^2+12)-29*x = 0
2*x^2-1/4*x^3-3*x-29*x = 0
2*x^2-1/4*x^3-32*x = 0
2*x^2-1/4*x^3-32*x = 0
x*(2*x-1/4*x^2-32) = 0
2*x-1/4*x^2-32 = 0
DELTA = 2^2-(-32*(-1/4)*4)
DELTA = -28
DELTA < 0
x = 0
x = 0
x = 0
x in { 0}
x belongs to the empty set
| 3(x-20)=18x | | 12x+3x+4=12 | | 6x+12-6x-10=13 | | 3x+2(-20-y)=-52 | | 2x-6x+6=-6+12 | | 2/9*18 | | 2y/3=4 | | 7/8*48 | | 3x-7=36 | | -2x+3-3x+1=-6 | | 6x+23=13x-21 | | 6/7*49 | | 192-6x=30x+24 | | 4x^2+8x-11x+6-5x^2+2= | | -2.1-6x=16.5 | | 5x-(2x-3)=24 | | -3x+(6)6=-18 | | 4x^2+4-5x+x-2x^2+8= | | -9X^8-6X^4+17= | | y=-2x^2+16x+33 | | 2x^2+12x=16 | | 16z+6=13z+3 | | 5/20=x/10 | | 1/3(x-9)=12 | | x+4x=46 | | 1/2x+8=-8 | | 5x^5=35x | | x^2-5-12i=0 | | 0.80x+0.25(60)=0.70(x+60) | | 2x+6=162 | | X+6+x=162 | | (5x+2)(2x-4)=0 |