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Providing the radical has then just add/subtract.

e.g.

4sqrt(3) + (/-)7sqrt(3) .

The radical has tha same coefficient of 'sqrt(3)'

Hence it becomes 11sqrt(3) ( or - 3sqrt(3))

However, if the radicals are different then

4sqrt(3) + 7sqrt(2) . cannot be taken any further.

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lenpollock

Lvl 16
3y ago

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Wiki User

13y ago
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Q: How do you add and subtract radical expressions?
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