Question

Sa se rezolve in multimea numerelor reale ecuatia |x^2-4|+|x-2|=0​

Answer 1

$|x^2-4|+|x-2|=0 \\ |x^2-4|=-|x-2| \\ \left \{ {{|x^2-4|=0} \atop {-|x-2|=0}} \right. \Leftrightarrow \left \{ {{x=2 \ sau \ -2} \atop {x=2}} \right. \\ \Rightarrow \boxed{x=2}$