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)
x+4/x+6 = 0
1*x^1+4*x^-1+6*x^0 = 0
(1*x^2+6*x^1+4*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^2+6*x^1+4*x^0) = 0
x^1
x^2+6*x+4 = 0
x^2+6*x+4 = 0
DELTA = 6^2-(1*4*4)
DELTA = 20
DELTA > 0
x = (20^(1/2)-6)/(1*2) or x = (-20^(1/2)-6)/(1*2)
x = (2*5^(1/2)-6)/2 or x = (-2*5^(1/2)-6)/2
x in { (-2*5^(1/2)-6)/2, (2*5^(1/2)-6)/2}
x in { (-2*5^(1/2)-6)/2, (2*5^(1/2)-6)/2 }
| 12(N+5)=96 | | (x*x)-6x+2=0 | | 5(-x-2)=10x+102 | | (1/x)+(2/y) | | 2x+v=w | | x+(x/y)/y-(1/y) | | (-x)-3=1-3x | | 7x-7=5x+13 | | x+(x/y) | | 8y+3+y+7= | | 22+8x+3x=0 | | x/y | | 36^(3/2) | | 6n(3-4n)= | | ((1)(2)(3)(4)(5))0.2=(120)0.2 | | 1/y | | 3(x-4)=54 | | 4x+22=12x-47 | | (1/x+1/y) | | -6x-2=2x+14 | | x/6+27=28 | | 21-5x=14+2x | | 3x=24+4x-3 | | 9=3x+5 | | 2(x*x)+7x+3=0 | | -9x^3-5x^2+36x-20=0 | | X^2+7=-18 | | kx^2+(4k+2)x+4k+5=0 | | x^2-51x+630=0 | | 9x+2y+3x+y= | | -8x-7=-24 | | 24.6+(-45.5)=20.9 |