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)
2/3 = 17/x // - 17/x
2/3-(17/x) = 0
2/3-17*x^-1 = 0
-17*x^-1 = -2/3 // : -17
x^-1 = 2/51
-1 < 0
1/(x^1) = 2/51 // * x^1
1 = 2/51*x^1 // : 2/51
51/2 = x^1
x = 51/2
x = 51/2
| 2x^2-20x+238=0 | | 3[x-4]-5=10 | | M-2/5=m-4/5 | | 3[x-4]-5= | | 3x-3+1x=4x+8 | | [3c+6]=12 | | 11-9m=170 | | 15x*9x^7= | | 8m+5p=88 | | x*1.5=40 | | 96=4*w | | 0.8x+4.8=0.7x+1.2 | | x^2-5x-4=2 | | 9-3x=11-4x | | [2(x-4)]+7=25 | | 25(3.14)= | | 60=5(x^2+4) | | 30-12=3(x-3) | | 9x=4+x | | y+(y*0.03)=185400 | | y*0.03=185400 | | 10a-1=2a-24 | | 3(x+21)+2(x-4)=5(x+11) | | 4(f-7)=-44 | | z/7-7=6 | | x(x-7)(x+1)(6-12x)=0 | | 4*x-2*x-12=0 | | -(c-3)=28 | | 5x-3x-30=14 | | f(x)=-42x^2-14x | | 2.5x+1.7= | | 2/5(t-70) |