Question 950146
{{{R(x)=0}}}
{{{-x(x^4-5x^2+4)=0}}}, the second polynomial factor being in quadratic form.
{{{-x(x^2-4)(x^2-1)=0}}}
{{{-x(x+2)(x-2)(x+1)(x-1)=0}}}



Roots or Zeros are :
0, -2, 2, -1, 1.


NO such root of -0.8.