Simplify the radical expression √72x^2
A. 36√x^2 B. 6x√2 C. x√36 D. 6√2x^2
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O_O that's some big letters.
Haha, so lets solve your question shall we? xD
Do you know this property? \(\sf\Large\sqrt{ab}=\sqrt{a} \times \sqrt{b}\) We can use that to make your question \(\sf\Large\sqrt{72x^2}=\sqrt{72} \times \sqrt{x^2}\)
Well since you are gone, here is a hint to help you solve your question: Hint: \(\sf\Large \sqrt{72} = \sqrt{36\times2} = \sqrt{36}\times\sqrt{2}\)
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