If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
2808 = (1/2)*a^(12^2) // - (1/2)*a^(12^2)
2808-((1/2)*a^(12^2)) = 0
(-1/2)*a^(12^2)+2808 = 0
-1/2*a^144 = -2808 // : -1/2
a^144 = 5616
a^144 = 5616 // ^ 1/144
abs(a) = 5616^(1/144)
a = 5616^(1/144) or a = -5616^(1/144)
a in { 5616^(1/144), -5616^(1/144) }
| -9/10-8=24 | | 2x+10+11=x+10 | | an=cde | | -4+5=7 | | n(n-1)(n-2)=990 | | 26=4x+b | | 57.95+60=117.9 | | 42=15x | | 3x=16-7y | | 6/3:4/3= | | F/12-15_-17 | | 57.95+60=50.45 | | N^3-2n^2-n^2+2n=990 | | Tanx=0.375 | | 2:4/3 | | 57.95-60=50.45 | | D/-11-54 | | 832=1/2a8^2 | | 9x-(9x+3)=9x-13 | | 50.45-60=57.95 | | 50.45+60=57.95 | | 3+3(x-4)=5-8(x-8) | | (2i)4= | | 4x^2-162=0 | | (2sin^2x)+2sinx=0 | | 10u-21=3u | | -y=-8x+7 | | f(x)=-0.75(x)-1 | | 3a=16+7a | | X+x+(2x)-1=31 | | 80=1/2a2^2 | | W/2-545 |