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^2 = 0
x = 0
x = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
20/x-(46/(x^2)) = 2 // - 2
20/x-(46/(x^2))-2 = 0
20/x-46*x^-2-2 = 0
20*x^-1-46*x^-2-2 = 0
t_1 = x^-1
20*t_1^1-46*t_1^2-2 = 0
20*t_1-46*t_1^2-2 = 0
DELTA = 20^2-(-46*(-2)*4)
DELTA = 32
DELTA > 0
t_1 = (32^(1/2)-20)/(-46*2) or t_1 = (-32^(1/2)-20)/(-46*2)
t_1 = (4*2^(1/2)-20)/(-92) or t_1 = (-4*2^(1/2)-20)/(-92)
t_1 = (4*2^(1/2)-20)/(-92)
x^-1-((4*2^(1/2)-20)/(-92)) = 0
1*x^-1 = (4*2^(1/2)-20)/(-92) // : 1
x^-1 = (4*2^(1/2)-20)/(-92)
-1 < 0
1/(x^1) = (4*2^(1/2)-20)/(-92) // * x^1
1 = ((4*2^(1/2)-20)/(-92))*x^1 // : (4*2^(1/2)-20)/(-92)
-92*(4*2^(1/2)-20)^-1 = x^1
x = -92*(4*2^(1/2)-20)^-1
t_1 = (-4*2^(1/2)-20)/(-92)
x^-1-((-4*2^(1/2)-20)/(-92)) = 0
1*x^-1 = (-4*2^(1/2)-20)/(-92) // : 1
x^-1 = (-4*2^(1/2)-20)/(-92)
-1 < 0
1/(x^1) = (-4*2^(1/2)-20)/(-92) // * x^1
1 = ((-4*2^(1/2)-20)/(-92))*x^1 // : (-4*2^(1/2)-20)/(-92)
-92*(-4*2^(1/2)-20)^-1 = x^1
x = -92*(-4*2^(1/2)-20)^-1
x in { -92*(4*2^(1/2)-20)^-1, -92*(-4*2^(1/2)-20)^-1 }
| (3x-7)4z= | | 10f+14=5(3f+3)-5f-1 | | (x+1)/2=0.6 | | z+2=9z-6 | | 2/3b=5-5/6b | | n/3=n-2 | | (20)/x-(46)/(x^2)=2 | | 2/3b=5-5/6 | | -4(3w-2)=7(2w+2) | | 11.48x=70.84 | | 3x+5=-25+8x | | 4b^2-10b-6= | | -4(x+8)=-24-5x | | 28-r=5r | | x/4+2/3=-2/3 | | 4+13r-1=9r+75-5r | | -8(1+8b)=-132 | | -x-(-10)=[-24] | | 21+2x=13 | | -16w+18=20w-18 | | 6p=13.2 | | 3000+x=2,400+x | | -10y(y+11)= | | 5x-9+5x=31 | | 35-3x=4 | | 63=2x-1 | | n/-3-11=-2 | | 6p^2=11p-5 | | 9x^2-6x=63 | | 6(3h+9)-4h= | | 556+184x^2-432a-24a^3+a^4=0 | | 14-20v=-12v-18-12v |