How to simplify a rational expression with exponents to higher powers

The video tutorial covers the process of factoring algebraic expressions, starting with factoring out common terms and rearranging expressions. It explains the concept of perfect square trinomials and the difference of squares, leading to the final simplification of the expression. The tutorial emphasizes the importance of checking work and understanding the signs in expressions, concluding with a simplified rational expression.

Describe the significance of keeping the signs while rearranging the expression.

What is the final answer after simplifying the expression, and what conditions are placed on X?