Simplifying a numerical expression containing square roots

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6

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2

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-5

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Square roots are the opposite of ____________.

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Squaring

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8

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Define a square root.

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A square root of a number is a value that, when multiplied by itself, gives the original number.

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What is the principal square root?

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The principal square root is the non-negative square root of a number.

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|x| (the absolute value of x)

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3

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What is the square root of a negative number?

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