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)
(3*x^2)/2 = 27/2 // - 27/2
(3*x^2)/2-(27/2) = 0
(3*x^2)/2-27/2 = 0
3/2*x^2 = 27/2 // : 3/2
x^2 = 9
x^2 = 9 // ^ 1/2
abs(x) = 3
x = 3 or x = -3
x in { 3, -3 }
| 32y^2x=4x | | .75x+.25y=8 | | 5x^2-9=-10 | | 7.5x+2.5y=8 | | 5t-1=10 | | 9m+7=81 | | 6x(2+9x)= | | 5(x+9)=4(2x-6) | | 12/11*2/4 | | 3(2x)-4=188 | | 5x^2/15-(x-9)/6=3/2 | | 55+x=2x+3 | | Fx=6x-3 | | x=2+3i | | x-(0.25x)=650 | | 3^3/5=12/25z | | 1/40=1/8y | | (-4p^7)/(28p^4) | | -2-(4-9)= | | 12d^2+d-6=0 | | x+10x=285 | | 5x-1=3+3 | | -(x^2-13x)=-(3x^2-5x) | | 5x+10=-10x+100 | | 12-6/7=6 | | 9y=56 | | 9y-7=59 | | 2x-15=3(x+5)-x | | x+60=x-60 | | a=b+(bxc) | | a=b+(b+c) | | 12-(5-2x)=2(8-3x)-(2-7x) |