How to add and subtract expressions with radicals

The video tutorial explains the importance of having like terms when adding or subtracting variables, using square roots as an example. It demonstrates how to simplify square roots by finding the largest number that divides them, and then combines the simplified terms. The tutorial also draws parallels between operations on square roots and variables, emphasizing that only like terms can be combined. The session concludes with a final example and closing remarks.

How do you combine the simplified square roots in the final answer?

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What analogy is made between square roots and variables in the text?

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