The equation 5x48x32x2=0\displaystyle {5}{x}^{{4}}-{8}{x}^{{3}}-{2}{x}^{{2}}={0} has three real solutions A\displaystyle {A}, B\displaystyle {B}, and C\displaystyle {C} where A<B<C\displaystyle {A}<{B}<{C}.
A=\displaystyle {A}=   ,
B=\displaystyle {B}=   ,
C=\displaystyle {C}=   .