Where >= : less than or equal to ..
I am not sure at all about how to solve an inequality of this type but I can solve inequalities involving squares.
x= 0 is an obvious answer
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If x>0
, both terms positive hence x>3 is an answer
One of the term is negative hence
its not an answer
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When x<0 , sign of inequality changes as , you can remember that we canceled an x initially
, is an answer
is similarly not an answer