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)
(5/9)*x^2 = 0
5/9*x^2 = 0 // : 5/9
x^2 = 0
x = 0
x = 0
| -123=4x-51 | | 2(x+7)-3(2x-4)=18 | | -3x+5+x=9-4-2x | | 2r=50 | | 8v+15v= | | y+2y-12x-11=0 | | t^4-9t^2-400=0 | | 3w=w+120 | | an=4-0.5 | | p-85=8 | | 4(x+3)+5=10 | | 32-6x=80 | | -2/1•r/20=-2 | | .62=15/x | | x^3-4x^2+24x=0 | | x+2y-12x-4=0 | | 2/1•r/20=-2 | | X/5=20= | | -5=5x+12 | | 1800=10000*4*r | | 7*7*7*7*7*7*7*7=5764801 | | 3w-30=120 | | 500=2500(.04)t | | y-4y+24x=44-0 | | 3x+(x+1)=5 | | an=-3+5n | | (y-2x)(a^2-4+3a)= | | 6n^2+24n+72=0 | | 1*8+49=57 | | -8x-9=-21 | | 8-2x=3-1x | | 9x+6=4x+5 |