Question

resolva a expressão

{-√1+[-√36-(-3+5)]. (-1)} ^2=

Answer 1

{-1+[-6-(+2)]. (-1)}^2
{-1+[-6-2].(-1)}^2
{-1+[-8].(-1)}^2
{-1+(+8)}^2
{-1+8}^2
{7}^2= 7²= 49