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 }
| -1/6(z-5)=2/5(z-2) | | 3x-3(4x-7)= | | 8(1+8b)=-392 | | -17.17+8.7m=11.66-5.97+10.5m | | 16-3m=-14 | | 15n+12=-11n-8 | | 7-0.7x=0 | | 3(w+3)+5=6+3w+8 | | 2(2x)+2(x)=360 | | s^2-7s+10= | | 5(2x-1)=7x-5+3x | | 4(3x-1)=8x-11 | | 0.3-4.5= | | 3(-2e+7)-5e=2e-45+12 | | 3(2-2)+5(2)= | | 21s+8t(-5s-6)+21st= | | x^-8/x^-18 | | 9c+5=-13 | | 2-3+8=-4+3-8 | | 20-(2*6)+8/4 | | 6x-(11x+12)= | | w-4w^1/2-32=0 | | 7+z=-69+5z | | -72+6x=124-x | | 1.25y=4.375 | | 12r+2y-7= | | 5x/6-1x/5+4=7x/10 | | 4a*2/a | | 9k+1=8 | | 4(10x+100)=640 | | 8-5(4-3c)=0 | | 2z+4=-16+3z |