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How can I simplify the radical [math]\sqrt{72}[/math]?
That makes sense. Can you show me another example where I need to simplify a radical?
Sure, here's an example: [math]\sqrt{20}[/math]. To simplify this, you can factor 20 to get [math]\sqrt{2\times2\times5}[/math] and simplify it to [math]2\sqrt{5}[/math].