Simplify 5+√73+√7
...Simplify 5+√73+√7
17-√7
4-√7
15+√7
7-√7
Correct answer is B
5+√73+√7=5+√73+√7×3−√73−√7=(5+√7)(3−√7)32−√72=15−5√7+3√7−79−7=8−2√72
Factorize then divide by 2
=2(4−√72=4−√7
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