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Simplify sqrt12 - sqrt75 + sqrt147

 Aug 27, 2022
 #1
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Like so:

 

\(\sqrt{12}-\sqrt{75}+\sqrt{147}=\sqrt{3*4}-\sqrt{3*25}+\sqrt{3*49}=(2-5+7)*\sqrt{3}=4\sqrt{3}\)

 Aug 27, 2022
edited by Alan  Aug 27, 2022
 #2
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I think you added the square root of 12 instead of subtracting

Guest Aug 27, 2022
 #3
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Thanks.  You're almost right!  I added the square root of 75 instead of subtracting it.  I've now edited and corrected.

Alan  Aug 27, 2022

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