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*(112.5/x)^2*x = 45 // - 45
2*(112.5/x)^2*x-45 = 0
2*112.5^2*x^-1 = 45 // : 2*112.5^2
x^-1 = 45/(2*112.5^2)
-1 < 0
1/(x^1) = 45/(2*112.5^2) // * x^1
1 = (45/(2*112.5^2))*x^1 // : 45/(2*112.5^2)
(2*112.5^2)/45 = x^1
x = (2*112.5^2)/45
x = (2*112.5^2)/45
| 5j-12=12-5j | | f(x)=-x^2-5x+36 | | a^4(b^4a^6)= | | ln(400/A)/3=ln(200/A)/10 | | 4x-(2x+16)-12=4(x-7)-2x | | 3x+x+x+90=180 | | -85-12x=3x+155 | | 5x(x+2)=-130 | | x^2+60+c=0 | | x/12=1/4 | | (x+6)*(x+2)= | | y+7=1.25(x+16) | | 400e^4k=200e^3K | | j^2(k^5j^3)= | | 12(x+5)=11(x+5) | | X+((X)(0.4))=75 | | x^3+44x^2+588x-3120=0 | | 5=-12x+15 | | 81/5-52/3 | | -4x^2y(x^2+7xy-6y^3)= | | 3x^2-4=17 | | (-9x^3y)*(-8x^2y^3)= | | x^2-53=-98 | | 2x-153=63-6x | | x+32=21 | | x^2-4-13=0 | | 6(7p+5)+6p=4p-14 | | 5m^2(3m^3+5m^2-4m+6)= | | 26=-2t | | r=5g+5wforg | | (8x^3y^2)*(-3x^2y^3)= | | (x-2)(x-5)=(x-1)(-6) |