Khan Academy Static

Learn how to simplify rational expressions by canceling factors that are shared by the numerator and the denominator. Sometimes this calls for factoring the numerator and the denominator in various ways.

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2510_Simplifying_rational_expressions_common_monomial_factors.html

2514_Simplifying_rational_expressions_higher_degree_terms.html

2509_Intro_to_rational_expression_simplification.html

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2515_Simplifying_rational_expressions_two_variables.html