Question

(5+root 7)(2+root 5)​

Answer 1

Answer:

$(5+\sqrt{7})(2+\sqrt{5})$

= 10 +5$\sqrt{5}$ +2$\sqrt{7}$ +$\sqrt{7} \sqrt{5}$

=10 +5$\sqrt{5}$ +2$\sqrt{7}$ +$\sqrt{35}$

Answer 2

$(5 + \sqrt{7} )(2 + \sqrt{5} ) \\ 10 + 5 \sqrt{5} + 2 \sqrt{7} + \sqrt{35}$