Question

simplify the following expression (5+√7)(2+√5)​

Answer 1

Answer:

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

Step-by-step explanation:

(5+√7)(2+√5)

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

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