Question

Please help quickly!!!

Find the value of x. Write your answer in simplest form.

Answer 1

`{x}^(2) + {x}^(2) = {(8 √(2)) }^(2) \\ 2 {x}^(2) = 128 \\ {x}^(2) = 64 \\ \boxed{x = 8}`

8 is the right answer.