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+9)^2)/3 = 6 // - 6
((x+9)^2)/3-6 = 0
((x+9)^2)/3+(-6*3)/3 = 0
(x+9)^2-6*3 = 0
x^2+18*x+63 = 0
x^2+18*x+63 = 0
x^2+18*x+63 = 0
DELTA = 18^2-(1*4*63)
DELTA = 72
DELTA > 0
x = (72^(1/2)-18)/(1*2) or x = (-72^(1/2)-18)/(1*2)
x = (6*2^(1/2)-18)/2 or x = (-6*2^(1/2)-18)/2
(x-((-6*2^(1/2)-18)/2))*(x-((6*2^(1/2)-18)/2)) = 0
((x-((-6*2^(1/2)-18)/2))*(x-((6*2^(1/2)-18)/2)))/3 = 0
((x-((-6*2^(1/2)-18)/2))*(x-((6*2^(1/2)-18)/2)))/3 = 0 // * 3
(x-((-6*2^(1/2)-18)/2))*(x-((6*2^(1/2)-18)/2)) = 0
( x-((-6*2^(1/2)-18)/2) )
x-((-6*2^(1/2)-18)/2) = 0 // + (-6*2^(1/2)-18)/2
x = (-6*2^(1/2)-18)/2
( x-((6*2^(1/2)-18)/2) )
x-((6*2^(1/2)-18)/2) = 0 // + (6*2^(1/2)-18)/2
x = (6*2^(1/2)-18)/2
x in { (-6*2^(1/2)-18)/2, (6*2^(1/2)-18)/2 }
| 2y+5y=-21 | | x=2y+12 | | 15u=75 | | 22t+5(1-5t)= | | -2x+5y=18 | | 9+5x-3+7x= | | -7+2m=3(3-2m)+4m | | -2=-x-3 | | 12u=60 | | 9x+7=7+13 | | y=30-2x | | -6[6x-(4x+8)]=9+(6x+3) | | 20/x=5 | | 20/z=5 | | 5(x+4)-10=5+4(x-1) | | 4/x=x+3 | | 2x+7y-y-x= | | ax-bx=8 | | 5m+6n+2m-n= | | 6y-10-3y+8=0 | | 3x+3=0.5x-2 | | -6v+13=1-8v | | 12+8q=13+7q | | -2=-x-2 | | -6+13=1-8v | | 5x+15+5y=10x | | -2x+8x+7y=49 | | -x/2=20 | | -4=-x-2 | | 4(70-2y/3)+3y=300 | | 3(5)=6(x+3) | | 4x+3y=300 |