Question

(-1) la puterea 1 + (-1) la puterea2

Answer 1

(-1) la puterea 1= -1 (-1) la puterea2=1-1+1=0

Answer 2

$(-1) ^{1} + (-1) ^{2}$
$(-1) ^{1} =-1$
=-1+$(-1)^2$
$(-1)^2 :1$
=-1+1
0