https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/v/simplifying-square-roots-1

Roots are nice, but we prefer dealing with regular numbers as much as ... Practice: Simplify square roots (variables) ... Simplifying radicals (higher-index roots).

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-higher-index-roots/v/radical-expressions-with-higher-roots

Multiple examples of simplifications of higher-index radicals. For example, simplifying ⁵√96 as 2⁵√3.

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals

Learn about expressions with rational exponents like x^(2/3), about radical expressions like √(2t^5), and about the relationship ... Understanding square roots.

https://www.khanacademy.org/math/algebra-home/alg-exp-and-log/miscellaneous-radicals/v/adding-and-simplifying-radicals

The principle square root is simply the radical sign. The NEGATIVE square root will have "-" before the radical sign. If the problem wants both, it will have a ...

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/v/simplifying-square-roots-comment-response

A worked example of simplifying radical with a variable in it. In this example, we simplify 3√(500x³).

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/e/simplifying_radicals

Practice: Simplify square roots (variables) · Simplifying square-root expressions · Practice: Simplify square-root expressions · Simplifying square roots review.

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-radicals/v/introduction-to-square-roots

Learn about the square root symbol (the principal root) and what it means to find a square root. Also learn how to solve simple square root equations.

https://www.youtube.com/watch?v=cw3mp8oNASk

Aug 12, 2013 ... Practice this lesson yourself on KhanAcademy.org right now: ...

https://www.khanacademy.org/math/algebra-home/alg-exp-and-log/miscellaneous-radicals/v/multiply-and-simplify-a-radical-expression-2

A worked example of simplifying elaborate expressions that contain radicals with two variables. ... Simplifying square-root expressions: no variables (advanced).

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-higher-index-roots/v/multiply-and-simplify-a-radical-expression-1

A worked example of simplifying elaborate expressions that contain radicals. In this example, we simplify 5∛(2x²)⋅3∛(4x⁴).