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*x)/3 = 2400 // - 2400
(x*x)/3-2400 = 0
1/3*x^2 = 2400 // : 1/3
x^2 = 7200
x^2 = 7200 // ^ 1/2
abs(x) = 60*2^(1/2)
x = 60*2^(1/2) or x = -(60*2^(1/2))
x in { 60*2^(1/2), -(60*2^(1/2)) }
| 5x-8=10x+5 | | 9x(x+7)=4x+28 | | 0.2(d-6)=0.3d+5-3+0.1 | | 2x+6x+3+x=39 | | x+9.8=14.7 | | x^2+y^2+10x-2y-1=0 | | -4(x+6)-42=5-39 | | -4x-5=39 | | x(3x+24)=0 | | 1/2(x-3)=5/2 | | 8b-5/3 | | 0=16t^2+12t+900 | | 3/4w+9/4=8.25 | | 3/4w+9/4= | | 8a-5/3 | | -4(x+2)-43=6-37 | | a^4+24a=0 | | -13a+32=0 | | 3y*y=2400 | | 16=5t-13t | | t^2-24t-81= | | -58.109=u-47.736 | | 2sin(x)=-1 | | x+126=x+66 | | 13-46=6(x-1)-9 | | 2(3x-5)=46 | | 2(1-2x)=10-2(3x-2) | | 121-19j=14.6 | | 9r^2-25=0 | | y=7+6e^7x | | 5x(3x+9)-2x=15x-2(x-5) | | y= 7+6e^7x |