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)
2475/5.75 = 5452/x // - 5452/x
2475/5.75-(5452/x) = 0
2475/5.75-5452*x^-1 = 0
-5452*x^-1 = -430.43478261 // : -5452
x^-1 = 0.07894989
-1 < 0
1/(x^1) = 0.07894989 // * x^1
1 = 0.07894989*x^1 // : 0.07894989
12.66626211 = x^1
x = 12.66626211
x = 12.66626211
| X^2+21x-196=0 | | m(-5.5m+m^2)=-1 | | 9q^4pr^2+8p= | | 237/3=790/x | | (12+3i)-(2-5i)= | | -3y-5+5m+7y+6+9m= | | 78=75x+33 | | 5y=100-3y | | -2(5n+2)=8 | | 5.5n-4.25=12.25 | | 6.5-33/4 | | -2(-5)-y=-4 | | 474/55 | | -3r^2-48=0 | | 4x+40-2x+10=2+4x | | y+y+y+y+y= | | 275/3=790/x | | 8=-8 | | 2u+12=38 | | 880=5(x+17) | | 75m=50(12)+125(m-12) | | A=-1-b | | X^2-3.01x-6.5856=0 | | 20y^2z^2+15y^7zx= | | -7+5i= | | 12(x-190)=56 | | -5(4n+2)=5 | | 2m^3-11m^2+2m=0 | | 30-6*2+8= | | 4(x+14)-3(x+3)=3(x-7)+4(x-4) | | 5m-4=2m+11 | | y=-2x^2+7x+1 |