Question 947633
{{{x^2(x^2 -36) >= 0}}} 


{{{x^4 -36x^2 >= 0}}} 

{{{x^4  >= 36x^2}}}.....simplify

{{{x^4/x^2  >= 36x^2/x^2}}}

{{{x^2  >=36}}}=>{{{x >=sqrt(36)}}} =>{{{x >=6}}}=>{{{x <=-6}}}


solution interval:

if {{{x >=6}}}: [{{{6}}},{{{infinity}}})

if{{{x<=-6}}}:({{{infinity}}},{{{-6}}}]