Simplifying radical expressions and then combining them

The video tutorial covers simplifying radicals before performing operations like addition, subtraction, multiplication, and division. The teacher explains the importance of simplifying radicals to ensure they are the same before adding or subtracting. An example problem is worked through, demonstrating how to find the largest square number to simplify expressions. Alternative methods for simplification are discussed, and the final calculation is performed using the order of operations. The key takeaway is to simplify problems as much as possible before carrying out operations.

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