Khan Academy Static

In this tutorial you will simplify numerical expressions with radicals by removing all factors that are perfect squares from inside the radical.

3243_Simplifying_radical_expressions_subtraction_.html

3239_Simplifying_square_root_expressions_no_variables_advanced_.html

3237_Simplifying_square_roots_of_fractions.html

3240_Intro_to_rationalizing_the_denominator.html

3238_Simplifying_square_root_expressions_no_variables.html

3236_Simplifying_square_roots.html

3242_Simplifying_radical_expressions_addition_.html

3241_Worked_example_rationalizing_the_denominator.html