$root(3)(2x-2)$

A cura di: Francesco Speciale

$root(3)(2x-2)<-root(3)(2x+5)$

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$root(3)(2x-2)<-root(3)(2x+5)$;
Eleviamo ambo i membri al cubo
$(root(3)(2x-2))^3<(-root(3)(2x+5))^3$;
$2x-2<-2x-5$;
Racogliamo i termini simili
$4x<-3 => x<-3/4$.