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How to rationalize a denominator | Exponent expressions and equations | Algebra I | Khan Academy

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Adding and simplifying radicals | Pre-Algebra | Khan Academy

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The attached video helps you recall perfect squares and square roots, including definitions, a list of perfect squares, and how to find the square root of any number..

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What is a Square Root and a Perfect Square?

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Simplifying Square roots: Factor out the greatest perfect square factor.

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Simplifying Square roots: Factor out the greatest perfect square factor.

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The attached video helps you recall how to simplify square roots by factoring out the greatest perfect square factor.

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Multiplying Square Roots Rule Explained!