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*x^2)/10 = 0
-1/2*x^2 = 0 // : -1/2
x^2 = 0
x = 0
x = 0
| y=125000+3000x | | (x^2)-6x+8=0 | | 7x+7-5=25 | | (72000)/(94.87)^3 | | 15+7-18=x | | 3/x=9/3x-1 | | y=10x^2-94x+3900 | | 6x-13=x+7 | | √1/2 | | 5(6x-3)=39 | | 5x+23=7x+55 | | 10+12-15=x | | 0.7(6-0.3m)=-2.1 | | 15m+12n+5m-2b= | | 3ln(x+4)=18 | | 25+27-44=x | | 9+4x+x=-16 | | 2y+4/y=3 | | x^2-4x+14=13 | | 11/12(x-2y-3z) | | -4w-8=5w | | 2x+5-2=24 | | .31=6/x | | 5+6-1=x | | 6(m-20)=12 | | lnx/2=4 | | x^2+12x+-36=0 | | 5(9x-4)=43 | | 5+5x+7x=89 | | 5.4q-4.4-5.1q=-0.7q-1.8 | | -18(x-4)=-4 | | 5(3x-11)=55x |