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)
9/X+5 = 0
9*X^-1 = -5 // : 9
X^-1 = -5/9
-1 < 0
1/(X^1) = -5/9 // * X^1
1 = -5/9*X^1 // : -5/9
-9/5 = X^1
X = -9/5
X = -9/5
| 4x^2-22x+36=0 | | 2(c+4)=3(c+5) | | -3(a-1)=-3a-3 | | 5/2+2/p=3/2 | | 17x-13y=2 | | 4z-16=2z+2 | | -n-(3+4n)=8(6n-7) | | -52-5x=-127 | | 2(x-4)+1=73 | | 3x^2+6=42 | | 25x-8=8 | | x^3-3x^2y-4x^2+4y^3+16xy-16y^2=0 | | (2x-3)(3x-2)= | | 18x^2+6x-144=0 | | 2x^2+16x+208=0 | | 5x-1+2x+5=180 | | X^2+8x+16=75 | | 15x^-3/-5x^5 | | 18x^-3y^-4/6x^-2y^5 | | -4(1-3x)=2(8+5x) | | 3x-2(2x-5)=(x+3)-8 | | (5x^3y^5)(-3x^3y^2)= | | -(1-n)=7n-(4n+1) | | 3y^2=432 | | 16.90=s-47.99 | | 25x^2+56x+21=0 | | Xsquared=144 | | 7x+4/-3=4/5 | | y=19.95x+39.95 | | 7(6x-10)=-322 | | 16.90=s-16.90 | | -6(9-2x)=-138 |