How to add and subtract three radicals, square root

The video tutorial explains how to handle operations with radicals, focusing on multiplication, division, addition, and subtraction. It emphasizes the importance of having the same index and radicand for combining radicals. The tutorial provides examples to illustrate these concepts and guides students through simplifying and combining like radicals.

What is the final answer when simplifying the expression 2 sqrt(7) + 12 sqrt(7) - 2 sqrt(7)?

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How do you treat radicals when they have the same index and radicand?

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