Powers of negative numbers - Examples, Exercises and Solutions

Raising any negative number to an even power will result in a positive outcome.
When $n$ is even:
$(-x)^n=x^n$

Raising any negative number to an odd power will result in a negative outcome.
When $n$ is odd:
$(-x)^n=-(x)^n$

When the exponent is outside the parentheses - it applies to everything inside them.
When the exponent is inside the parentheses - it applies only to its base and not to the minus sign that precedes it.