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)
((2*x)/3)*x-18 = 2 // - 2
((2*x)/3)*x-18-2 = 0
2/3*x^2 = 20 // : 2/3
x^2 = 30
x^2 = 30 // ^ 1/2
abs(x) = 30^(1/2)
x = 30^(1/2) or x = -30^(1/2)
x in { 30^(1/2), -30^(1/2) }
| 9w*3x= | | 12x^3+31x^2+20x=0 | | 4X+3=3(X+2) | | .9=-160-9(-79) | | 4x=x-4 | | 1-(1x+2)3=0 | | tg(-x/3)=-v3 | | 1-x+2=0 | | 3b^2-4b+1=0 | | 1/2.(10x-6)=x+16 | | 4x-6+6=x-4 | | 4x+-2+9=19 | | -5w-2=12 | | 4x-2+9=29 | | x/2=36/6 | | 2t-3d+8d-3= | | 57u+57= | | x(9x+2)=6 | | 12y+9y^2-21=0 | | -88=-160-9(-8) | | 2cosx=0.8 | | 32-12a-2a^2=0 | | 2.5=4.1x-9.8 | | y=105+26(2) | | 25-20r+4r^2=0 | | 4m-4=12 | | 6x=3(2x+4) | | X-.11x=28925 | | -39-8n=-5(-1+6n) | | 3+4x+2=13 | | 4(3n-6)-4n=16 | | =4x+7n-6x+4n |