Question

(root 2 plus 5 ) (root 2 plus 5)

Answer 1

Answer:

$( \sqrt{2} + 5) \times ( \sqrt{2} + 5) \\ = ({ \sqrt{2} })^{2} + {5}^{2} + 2 \times \sqrt{2} \times 5 \\ = 2 + 25 + 10 \sqrt{2} \\ = 27 + 10 \sqrt{2}$

Answer 2

Answer:

$(\sqrt{2} + 5)( \sqrt{2} + 5) \\ 2 + 5 \sqrt{2} + 5 \sqrt{2} + 25 \\ 27 + 10 \sqrt{2}$