Question

Ayudaaaa es urgentee xd

Answer 1

Explicación paso a paso:

$( \sqrt{ {11}^{2} } = {x}^{2} + ( \sqrt{ {2}^{2} } ) \\ 11 = {x}^{2} + 2 \\ 11 - 2 = {x}^{2} \\ 9 = {x}^{2} \\ x = 3$