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^2)-(5/1) = 0
X^2-3*x^2-5 = 0
-3*x^2 = -(X^2-5) // : -3
x^2 = (5-X^2)/(-3)
x^2 = (5-X^2)/(-3) // ^ 1/2
abs(x) = ((5-X^2)^(1/2))/((-3)^(1/2))
x = ((5-X^2)^(1/2))/((-3)^(1/2)) or x = -(((5-X^2)^(1/2))/((-3)^(1/2)))
x in { ((5-X^2)^(1/2))/((-3)^(1/2)), -(((5-X^2)^(1/2))/((-3)^(1/2))) }
| 4y-6=9y+28 | | 4d/2=5/1 | | 3(x+7)=2(x+10) | | (5*6)/3 | | 3w=3p+10 | | z^4+2z^3+4z^2+8z+16=0 | | 4(3x-4)=14 | | 61/4*2 | | (3x+1)+(6x-14)= | | 2(3x+5)-3=8x-1 | | x^2-4x^1-4= | | (2*14)/7 | | X/3-x/7=5/3 | | x^3-4x^2-4x+4= | | 4(2x+3)=9x+5 | | x^3-4x^2-x+a= | | 1/2=2/5y | | x^3-4x^2-ax+a= | | -2a^2b^4/4ab^-8 | | x^2-5x-36=o | | 18x+9=-9 | | 5x^3-27x^2+108=0 | | 4x^3-x^2-12x-4=0 | | 8x^2+9x-14=0 | | (3x+6)*(4-5x)=0 | | 9/b=4/b | | 15x*15x-18x=-24 | | 2x^2=12ix-14 | | 106=16+2w | | Log7^3-x1/49 | | Ln(7x-2)=-1.4 | | 4e-2=e+16 |