What is Rational Expression?
A rational expression is a fraction in which the numerator and denominator are polynomials. The denominator of the rational expression can never have zero value. In other words, a rational expression is defined as an algebraic expression which can be written as a ratio of two polynomial expressions. For simplifying the rational expression, it is necessary to eliminate the common factors in both the numerator and denominator and find the Greatest Common Factor (GCF) of the factor.
An example to represent the rational expression is given below:
- (x+3)/x
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