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)
((1/4)*x^2)/5 = 0
1/20*x^2 = 0 // : 1/20
x^2 = 0
x = 0
x = 0
| h-5/3=1 | | m^2+9-64=0 | | T(n)=10-2n^2 | | (-7)(-x)-49= | | 62-11*5=x | | 4-(y^2)=0 | | 0.06=x*10x | | n^2-6=26 | | 19/x=57/15 | | 5t+7=-42 | | 10x^25= | | 184/32 | | -11x(x-5)=55-11x | | 15*28+34=x | | 2(b+5)=3b+8 | | 4+2(3u-7)=-2(7u-1)+6u | | 23x=3(8x+6) | | 6a-2B=20 | | -8n+20=124 | | 58-(55-2)=x | | 3x-25=2x+115 | | 72-18=x | | K^2-15k-54=0 | | 4n^2-10=0 | | 2(36-9)=x | | Ln-3x=-1 | | 4600/8000000 | | 75-18=x | | 4r+5=2r+11 | | 3a^2-9=11 | | 2x+10+x+(3x-16)=90 | | 4r-1=2 |