If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
(2-x)^3 = 0
(2-x)^3 = 0
(2-x)^3 = 0
2-x = 0 // - 2
-x = -2 // * -1
x = 2
x in (-oo:2) U (2:+oo)
(4*x^3)/((2-x)^3) = 0
4*x^3 = 0 // : 4
x^3 = 0
x = 0
x = 0
| 10x-15=3x+8 | | -2(x+1)+3x+2=-8 | | z^2+7z=5 | | 9x^3-6x^2=3x | | -(x-12)+3(x+3)=9(x+4) | | 49.7=263-6u | | (9x+28)=(10x) | | 18(18)= | | (n)=1+(n-1)(-4.1) | | 17(z)=221 | | 5z+8z=-4z-3+2z | | 9/ln(x) | | (x-7)*x=750 | | 175.52=302-6t | | -2(x+1)+2x+2=-8 | | 8(c-3)=7(c-3) | | 4*(27s^6t^3)(6st)= | | 36x^2-144=0 | | 60x+65(x-1)=240 | | -12-3x+8x=4x-7 | | 3t-(-26)=8+(-6)t | | 9x=792 | | 2x-8=9x+9 | | -8-6x+4x=-10 | | 14=41-12y | | (4s^2)*(16s^3t^6)= | | 2x-7y=34 | | 9x-3=x+4 | | 3x/56=x/14 | | Y=2x^3-5x^2 | | 6(x-4)-(2x+2)=4(5x+2) | | 3x=225 |