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)
x^2-(((3*x)/6)*x)-18 = 0
x^2+(-1/2)*x^2-18 = 0
1/2*x^2 = 18 // : 1/2
x^2 = 36
x^2 = 36 // ^ 1/2
abs(x) = 6
x = 6 or x = -6
x in { 6, -6 }
| 2=0.5+d | | 2=4a | | 2=2+d | | 4500(1.022)= | | 73=1+8x | | 60=4+7x | | x-7=43 | | 3/4a^-2b^48a^3b^-2 | | 2(x-5)+15=3(x-4)+4 | | 3*(x-6)+11=4*(x-4)+6 | | 5=3c | | 3x+26=x+8 | | 144+96x+12x^2=0 | | n^2-2u=15 | | 5=3c+d | | n/5+12=-(-16) | | n/5+12=16 | | 3a+9=a | | 14-21x=392 | | 15x+1500=25x | | 2u^-3/5=-1/4 | | (3x-5)/2=0 | | (x+3)/4=0 | | x+3/4=0 | | 32=2/3(2x+6) | | 3x+7=x+2x+8 | | m^2+16-32=-7 | | (x/3)+(x/6)=9 | | (x+4)/(x-2)=(x+2)/(x+8) | | ((3x+5)/2)-10=-3 | | (3x+5)/2-10=-3 | | (2/x)-(4/(x-2))=8/(x^2-2x) |