Question

(5+✓7) (2+√5) simplify the following​

Answer 1

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