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Naddik [55]
3 years ago
6

Simplify the radical expression below.

"TexFormula1" title="3 \sqrt{7} - \sqrt{63} " alt="3 \sqrt{7} - \sqrt{63} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

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


\sqrt{63}=\sqrt{7*9}=3\sqrt{7}


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


3\sqrt{7} -3\sqrt{7} =0


Zero is your final answer.

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