Question

simplify :(5+√7) (2 + √5)​

Answer 1

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

Answer 2

Answer:

your answer is in attachment