Answer:
To simplify a rational expression, take the common terms on both the numerator and denominator, and eliminate them. Use the Greatest Common Factor (GCF) to accomplish the simplification of rational expressions.
Explanation:
The first step in simplifying a rational expression is to determine the domain. The set of all possible inputs of a function which allow the function to work, the set of all possible values of the variables. The denominator in a fraction cannot be zero because division by zero is undefined.
- Factorize each of the numerators and the denominator by taking the common factors out.
- Cancel the common factors.
- Write the remaining terms in the numerator and denominator.
- Mention the restricted values if any.