Applying the rules of exponents when mulitplying two rational expressions

The video tutorial covers the rules of exponents, focusing on the product and quotient rules. It explains how to simplify expressions involving monomials by adding and subtracting powers when the bases are the same. The tutorial also discusses the negative exponent rule, demonstrating how to rewrite expressions with negative exponents. The final example shows the simplification of a complex expression, emphasizing the importance of reducing fractions and rewriting negative exponents.

What happens to a negative exponent when rewriting it?

What is the final simplified answer for the expression discussed?