If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
((1/2)*x-2)*(x-2) = 0
(1/2*x-2)*(x-2) = 0
( 1/2*x-2 )
1/2*x-2 = 0 // + 2
1/2*x = 2 // : 1/2
x = 2/1/2
x = 4
( x-2 )
x-2 = 0 // + 2
x = 2
x in { 4, 2 }
| 9x-3x=78 | | 9(7x-2)6(7-2)=9 | | 3x-3-7=15 | | -3=2/7x | | 1/2x^2-x-4=0 | | 15=10+x+2 | | (5-1r)(6-1r)=0 | | T=16t^2+26.2t | | 9y-8=118+2y | | -12(3x+5)=132 | | H=16t^2+26.2t | | 12x+18=126 | | F(x)=2x^3+12x^2+18x | | -4u=-7u+6 | | (3x+5)+(2x-3)= | | 9t-10=10+7t | | 3x+15-1+2x=5x+10 | | (3r+6)=21 | | 5x+3+2x+8=6x+11 | | X/3-6=5/9 | | F(x)=5x^2-20+20 | | 8=-17-5x | | -10+4h=9h | | 2x-5y+2x+3x-y-15= | | 12y=-38x+4 | | (2y)(5x+3)= | | -(-3)+3y=6 | | y=-2Sqrt[x-5]+6 | | 94w+24=f | | -2x-8-2=14 | | 5b+3=160 | | -12y=-4+6 |