Răspuns: [tex]\color{CC0000}~\boxed{\Large\bf 184\sqrt{3} -4\sqrt{7}}[/tex]
Explicație pas cu pas:
Buna!
[tex]\large\bf \sqrt{7} +\{-41\sqrt{3} +5\cdot[2\sqrt{7} +3\cdot(15\sqrt{3} -\sqrt{7} )]\}=[/tex]
[tex]\large\bf \sqrt{7} +[-41\sqrt{3} +5\cdot(2\sqrt{7} +45\sqrt{3} -3\sqrt{7} )]=[/tex]
[tex]\large\bf \sqrt{7} +[-41\sqrt{3} +5\cdot(-\sqrt{7} +45\sqrt{3} )]=[/tex]
[tex]\large\bf \sqrt{7} +(-41\sqrt{3} -5\sqrt{7} +225\sqrt{3} )=[/tex]
[tex]\large\bf \sqrt{7} +(184\sqrt{3} -5\sqrt{7} )=[/tex]
[tex]\large\bf \sqrt{7} +184\sqrt{3} -5\sqrt{7} =[/tex]
[tex]\boxed{\boxed{\large\bf 184\sqrt{3} -4\sqrt{7}}}[/tex]
==pav38==