[tex]\large{ \ {\boxed { \begin{array}{lr} {2^{2}+8+(-5+2)^{2}-3^{2}= } \\ \\ {4+8+(-3)^{2} -9 =}\\\\{4+8+9-9=}\\\\{4+8=}\\\\\boxed{\red{ \: \: 12 \: \: }} \rm \ { \Leftrightarrow} \ Resposta \\ \end{array}}}}[/tex]
