Adding and Subtracting Radicals

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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 (∛). For example, √4 is a radical.

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How do you simplify a radical?

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To simplify a radical, factor the number under the root into its prime factors and look for pairs. For example, √50 = √(25*2) = 5√2.

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What does it mean to combine like radicals?

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