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)
-18*2*4*x*x-((36*x)/x)-6 = 0
-18*2*4*x*x-36-6 = 0
-144*x^2 = 42 // : -144
x^2 = -7/24
x belongs to the empty set
| 18+24x=0 | | [5x-3]=[3x+5] | | 9x/6-4/5=7/5-x/3 | | 8w-47=3(w-9) | | 2(x-5)=-x+8 | | 5(2z+7)=21-2(z-7) | | cos(45)=x/3.1 | | 18.86=-2.3x | | 9800(1-ed)=4508 | | Y-9.61=3.17 | | (3c-1)(8c+3)= | | -3/11p=-33 | | x+3x+6-3+3x= | | 5x^3+10x^2-20x=0 | | 8w-31=-5(2-3w) | | 4(6+2n)=40 | | 65-9x=180 | | 1-1/9-4=0 | | 65-9x=65 | | 5y(3-y)(4y+1)(4y+1)=0 | | (25k^-2)^2/5k^-9 | | 8y+4+10=30 | | 9x-65=180 | | 15x+5y=105 | | 12x+3=2x+7 | | 21x+15y+8-2x+10+14y= | | one+two=our | | 2x+3(x-4)+5=2x-7+3x | | -4.9t^2+4.9t+0.83=0 | | 7-0.75x=-7(0.1071428571x+1) | | 12x-11/4x | | (6x^3+3x^2-6x+3)+(10x^3+2x^2-7x-9)= |