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 = ((5/3)*x^2)/3 // - ((5/3)*x^2)/3
1-(((5/3)*x^2)/3) = 0
(-5/9)*x^2+1 = 0
-5/9*x^2 = -1 // : -5/9
x^2 = 9/5
x^2 = 9/5 // ^ 1/2
abs(x) = (9/5)^(1/2)
x = (9/5)^(1/2) or x = -(9/5)^(1/2)
x in { (9/5)^(1/2), -(9/5)^(1/2) }
| tan51=10/x | | 100y^2+9= | | 1.2x=.36 | | 6(w+5)-8w=12 | | p^3(36p^4q^4)^(1/2) | | 3t−18=4(−3−3/4t) | | 5(7+7)=10y | | -4+2x=-16-3x | | -6x+8x-3x=0 | | 4z+8z=24 | | 2(7a+3b)-7(a+ab)= | | 4(3D-7)=2-3d | | 4+x^2=25 | | 8-n/2=5 | | 300+x=43100-y | | 11n^2=7 | | -(p-4p+p+10)-(4p+7p-8p+8)= | | x+3x+6=58 | | 2x+100=2x+80 | | log1/5(x) | | 3v-17=25 | | 35=4y-17 | | (5b)2=x | | 8[10-k]=2k | | 2w+11=47 | | 70=m/5 | | 44=3x-10 | | 54=2x+16 | | x(10x+43)=66 | | 10x^2+43x-66=0 | | 71=5u+11 | | 7b=10*7 |