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^2-(3*x) = 0
x = 0
x-3 = 0
x^2-(3*x) = 0
x^2-(3*x) = 0
x^2-3*x = 0
x^2-3*x = 0
DELTA = (-3)^2-(0*1*4)
DELTA = 9
DELTA > 0
x = (9^(1/2)+3)/(1*2) or x = (3-9^(1/2))/(1*2)
x = 3 or x = 0
x = 0
x = 0
x-3 = 0
x-3 = 0
x-3 = 0 // + 3
x = 3
x in (-oo:0) U (0:3) U (3:+oo)
18/(x^2-(3*x))-(6/(x-3)) = 5/x // - 5/x
18/(x^2-(3*x))-(6/(x-3))-(5/x) = 0
18/(x^2-3*x)-6*(x-3)^-1-5*x^-1 = 0
18/(x^2-3*x)-6/(x-3)-5/x = 0
x^2-3*x = 0
x^2-3*x = 0
x*(x-3) = 0
x-3 = 0 // + 3
x = 3
x*(x-3) = 0
18/(x*(x-3))-6/(x-3)-5/x = 0
18/(x*(x-3))+(-6*x)/(x*(x-3))+(-5*(x-3))/(x*(x-3)) = 0
18-5*(x-3)-6*x = 0
15-6*x-5*x+18 = 0
33-11*x = 0
(33-11*x)/(x*(x-3)) = 0
(33-11*x)/(x*(x-3)) = 0 // * x*(x-3)
33-11*x = 0
33-11*x = 0 // - 33
-11*x = -33 // : -11
x = -33/(-11)
x = 3
x in { 3}
x belongs to the empty set
| Y=1/4(11)+2 | | 34=9-w/-2 | | 2m+7+9m= | | 6P^2-P-1=0 | | [9-3(x-2y)]+6(5x+y)= | | 4(3x+2)=11(x+2) | | 3/(x-1)=2/x+3/x | | 53m=200 | | n=(5n+1)(7n-1) | | m/-2+(-6)=13 | | 8(x)(x)-6=0 | | f(x)=2x^3-x^2+2x-1 | | 11(x)(x)=8 | | 2x[7x^2-3(x-3)]= | | 7(x)(x)-16x-28=0 | | (35x+56y)+(-7x+40y)= | | 8(1/4x+2)-5=2x | | 7(x)(x)-16x=8 | | x(y+7)-6(y+7)= | | 8z+5=205 | | 4x+4y-2= | | 8y-5=2x | | 5(y)(y)-8y=2 | | 9(4x+6)-11= | | 6a+12/5*15a/7a+14 | | 2(a)(a)-46a+252=0 | | 405-6x/81-x | | 9x+9x=81 | | 3/(x-4)=9/(x-2) | | 7=x+4 | | (2x+4)2=36 | | 8x+5=25 |