Resposta:
5²+5² = 2*5²
=50
[tex]\texttt{veja \: abaixo}[/tex]
[tex]\begin{gathered}\Large\boxed{\begin{array}{l}\sf (5 ^{2}) - ( - {5}^{2} ) \\ 25 - ( - 25 ) \\ 25 + 25 \\ \textbf{\color{blue}{50}} \: \checkmark \end{array}}\end{gathered}[/tex]
resposta: ( B ) 50
