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College Algebra  /  Alg 052  ·  Atom · ~20 seconds

Like Radicals

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Like radicals share the same index and the same radicand; only like radicals combine under addition and subtraction.

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3√2 + 5√2 = 8√2, the way 3x + 5x = 8x. But 3√2 + 5√3 stays as written.

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Coefficients add; the radical rides along unchanged.

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