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 = -64 // + 64
(x^2)/3+64 = 0
1/3*x^2 = -64 // : 1/3
x^2 = -192
x belongs to the empty set
| 7x+7=159 | | x+74=71 | | A-(5/a)=4 | | 13x+4=6+5x | | x+50=45 | | 7(1x+3)=42 | | 28=x*7+3 | | 3(2x+9)=-41+14 | | 8+7x-2=34 | | 34-8*2y=n | | 25=3y-2 | | (x-7)2=-4 | | 6[6-(-2x-7)]=24x+120 | | a/x-5=b | | y^3=27/125 | | 6x^2-96x+288=0 | | 5(5-4x)=.95 | | 200m-75m+63050=65650-200m | | 11x+8y=300 | | A-5/a=4 | | 78+78+78+102= | | -2x-12=(4x)+6 | | z-19=-15 | | (3a-4)/2=5-2a | | (x-9)2=-36 | | 3-(2x-1)=3*(-2x-1) | | 4s+12=6s+32 | | -2x(-12)=(4x)+6 | | 78+102+2x=360 | | 7e+28+2e=14e-13 | | -2y+-4=3y | | 0=2x^2+3x-54 |