x^2+1/2x+1/18=0 помогите решить!

д=1/4-4×1/18=1/4-2/9==9/36-8/36=1/36х1=(-1/2 -1/6)/2=(-3/6-1/6)/2==-2/3÷2=-1/3х2=(-1/2+1/6)/2=(-3/6+1/6)/2==-1/3÷2=-1/6