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)
cos(60) = 5/x // - 5/x
cos(60)-(5/x) = 0
cos(60)-5*x^-1 = 0
-5*x^-1 = -cos(60) // : -5
x^-1 = cos(60)/5
-1 < 0
1/(x^1) = cos(60)/5 // * x^1
1 = (cos(60)/5)*x^1 // : cos(60)/5
5*(cos(60))^-1 = x^1
x = 5*(cos(60))^-1
x = 5*(cos(60))^-1
| 3x+3x+3+3=3x | | x^4+1000x= | | Logx+log(x+10)=6 | | 3r-14=27 | | X+50y=-24 | | 5n+60=2n | | A=3/2(h-37) | | n^2+12n+11= | | 2m-5+6m=-23 | | 3r^3+3r^2-6r= | | 122-9-10z+3-8z=z-9+3z+10-10z | | 3(3w-15)=12 | | y(2y-7)(y-1)=0 | | 4y^3+1y^2-64y-16= | | sin(3x)=-sin^3(x)+3cos^2(x)sin(x) | | 3(3x-3.2)=6x-9.6 | | x+.5x=170 | | 25x^2+45x+169=0 | | -x^2+25=25 | | 2x+5y=14(-3) | | -0.6x+4.77=-0.8x+7.37 | | z^2-14z=49 | | 4/7-2/8 | | 8.27-r=5r | | 2n+9=11 | | (-3a^2-3a+3x^2+3x)=0 | | 0=228-(x^2/57) | | 2.3+0.2x=0.7 | | x+1=x+6 | | 2f-9=14f | | fx=log(x^2-6x+8) | | (c-21)(c+21)= |