simplify radicals with variables

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What is a radical?

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A radical is an expression that includes a root, such as a square root (√) or cube root (∛).

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How do you simplify a radical expression?

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To simplify a radical expression, factor the number under the radical into its prime factors and then take out pairs of factors for square roots.

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What is the square root of a variable raised to an exponent?

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