=[tex]5 \sqrt{3} * \sqrt{3} -5*2 \sqrt{2} -2* \sqrt{3} +2*2 \sqrt{3} [/tex]= =[tex]15-10 \sqrt{6} -2 \sqrt{3} +4 \sqrt{2} [/tex] raspunsul este in cazul in care in problema in loc de acel 5 este 3 adica [tex](3 \sqrt{3} -2)( \sqrt{3} -2 \sqrt{2} )[/tex]