Multiplying two radical expressions together by multiplying first and then simplifying

The video tutorial explains the process of simplifying expressions before multiplication, although it sometimes requires multiplying first and then simplifying. It demonstrates the multiplication of terms, using the product rule to rewrite expressions as squared numbers, and taking square roots of these numbers. The tutorial concludes with the final simplified answer, emphasizing the importance of understanding when to simplify and when to multiply.

What is the significance of taking the square root of a number squared?

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What is the final answer derived from the calculations in the text?

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