Respuesta :

Step-by-step explanation:

[tex](12 + 3 \sqrt{2 } - 2 \sqrt{5} )(2 + 3 \sqrt{2} + 2 \sqrt{5} ) \\ = 24 + 36 \sqrt{2} + 24 \sqrt{5} + 6 \sqrt{2} + 18 + 6 \sqrt{10} - 4 \sqrt{5} - 6 \sqrt{10} - 20 \\ = 22 + 42 \sqrt{2} + 20 \sqrt{5} [/tex]