Divide Rational Expressions and label undefined values

The video tutorial covers the concept of fractions as products of reciprocals, factoring expressions, and rewriting them as multiplication problems. It discusses solving factoring problems, using exponent rules for simplification, and identifying values that make the denominator zero. The tutorial emphasizes understanding these mathematical concepts and applying them effectively.

What is the significance of factoring out a common term in an expression?

Explain how to simplify the expression X^3 over X.