# How do you simplify the expression -7^2?

Sep 20, 2015

Well, $- {7}^{2}$ would be
$- \left(7 \cdot 7\right) = - 49$
However, if it is ${\left(- 7\right)}^{2}$, then it would be
$\left(- 7\right) \cdot \left(- 7\right) = + 49$