Respuesta :

Answer:

[tex]2\sqrt{42} + 7\sqrt{2} -6- \sqrt{21}[/tex]

Step-by-step explanation:

[tex](\sqrt{14} - \sqrt{3})(\sqrt{12} + \sqrt{7})[/tex]

root 12 can be changed to 2 root 3

then multiply

then simply

and you should get ur answer