Answer
$-1$
Work Step by Step
We first follow the instructions to plug -1 in for h, and then we simplify:
$ -1 - (-1^{2} -1)\div 2$
In order to simplify, we first consider everything inside of the parenthesis, considering the exponent first:
$-1 - (1-1) \div 2 \\\\ = -1 - 0 \div 2 =-1-0=-1$
