hasil dari ( akar 3 + akar 5 ) pangkat 2??? Tolong yaaa!!

[tex] (\sqrt{3} + \sqrt{5} {)}^{2} = ( {3}^{2} ) + 2 (\sqrt{3} ) (\sqrt{5} ) + ( \sqrt{ {5}^{2})} \\ = 3 + 2 \sqrt{15} + 5 \\ =8 + 2 \sqrt{15} [/tex]