If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
6*x-18 = 0
2*x-6 = 0
6*x-18 = 0
6*x-18 = 0
6*x-18 = 0 // + 18
6*x = 18 // : 6
x = 18/6
x = 3
2*x-6 = 0
2*x-6 = 0
2*x-6 = 0 // + 6
2*x = 6 // : 2
x = 6/2
x = 3
x in (-oo:3) U (3:+oo)
(x^2)/(2*x-6)-(9/(6*x-18)) = 0
(x^2)/(2*x-6)-9*(6*x-18)^-1 = 0
(x^2)/(2*x-6)-9/(6*x-18) = 0
(x^2*(6*x-18))/((2*x-6)*(6*x-18))+(-9*(2*x-6))/((2*x-6)*(6*x-18)) = 0
x^2*(6*x-18)-9*(2*x-6) = 0
6*x^3-18*x^2-18*x+54 = 0
6*x^3-18*x^2-18*x+54 = 0
6*(x^3-3*x^2-3*x+9) = 0
x^3-3*x^2-3*x+9 = 0
{ 1, -1, 3, -3, 9, -9 }
1
x = 1
x^3-3*x^2-3*x+9 = 4
1
-1
x = -1
x^3-3*x^2-3*x+9 = 8
-1
3
x = 3
x^3-3*x^2-3*x+9 = 0
3
x-3
x^2-3
x^3-3*x^2-3*x+9
x-3
3*x^2-x^3
9-3*x
3*x-9
0
x^2-3 = 0
DELTA = 0^2-(-3*1*4)
DELTA = 12
DELTA > 0
x = (12^(1/2)+0)/(1*2) or x = (0-12^(1/2))/(1*2)
x = 3^(1/2) or x = -3^(1/2)
x in { -3^(1/2), 3^(1/2), 3}
6*(x+3^(1/2))*(x-3^(1/2))*(x-3) = 0
(6*(x+3^(1/2))*(x-3^(1/2))*(x-3))/((2*x-6)*(6*x-18)) = 0
(6*(x+3^(1/2))*(x-3^(1/2))*(x-3))/((2*x-6)*(6*x-18)) = 0 // * (2*x-6)*(6*x-18)
6*(x+3^(1/2))*(x-3^(1/2))*(x-3) = 0
( 6 )
6 = 0
x belongs to the empty set
( x+3^(1/2) )
x+3^(1/2) = 0 // - 3^(1/2)
x = -3^(1/2)
( x-3 )
x-3 = 0 // + 3
x = 3
( x-3^(1/2) )
x-3^(1/2) = 0 // + 3^(1/2)
x = 3^(1/2)
x in { 3}
x in { -3^(1/2), 3^(1/2) }
| -7v-2=-8v-1 | | 5(x+8)=5(x+10) | | x+8+7=15 | | 6p=9+7p | | 5*x^2+6*x*y+5*y^2-6*x-10*y-3=0 | | 1/2*16/5 | | 7j+4=6j-6 | | 8x+12=8x-18 | | -3/2*x=8 | | 2(4)=22+7(x-6) | | -3/2*-5=8 | | 3(8+7+y)= | | 8x+12=-9x-18 | | 16-5(3t-4)=8(-2t+1) | | -2+8w=10w | | 9+d=-2d | | y+3=10+2x | | x=3+3x | | -6=3(v-9) | | 5y+3=-30 | | 10-4k=5k | | 2+10x= | | 6y=5y-5 | | 42.8+14.1(15.6-17.6)= | | 3/(2x)-6/(5x)-3/2 | | 1/2x-19=35 | | -3n+8=-4n | | -u=-9-10u | | 4c+12=6c+10.02 | | -8z=-9-5 | | 3+3x=13+2x | | e^3*e^5=0 |