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16-07-2018
Mathematics

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Simplify the radical expression below.

[tex]3 \sqrt{7} - \sqrt{63} [/tex]

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GoddessofDork GoddessofDork

16-07-2018

So for this, we can simplify √63 as such:

[tex] \sqrt{63}=\sqrt{7*9}=3\sqrt{7} [/tex]

Using the simplified version of √63, we can solve it:

[tex] 3\sqrt{7} -3\sqrt{7} =0 [/tex]

Zero is your final answer.

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