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What is a radical?

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What does it mean to simplify a radical?

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To simplify a radical means to express it in its simplest form, removing any perfect square factors from under the radical sign.

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What is a perfect square?

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A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

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How do you identify perfect square factors in a radical?

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What is the square root of 64?

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What is the principle of combining like radicals?

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The expression is already in its simplest form.