Subtract 8√23−√23

Question

. (1 point)
Responses

723−−√
7 start root 23 end root

823−−√
8 start root 23 end root

746−−√
7 start root 46 end root

846−−√

Answer 1

To subtract \( 8\sqrt{23} - \sqrt{23} \), you can combine the like terms:

\[ 8\sqrt{23} - \sqrt{23} = (8 - 1)\sqrt{23} = 7\sqrt{23} \]

So the answer is:

\[ 7\sqrt{23} \]

Therefore, the correct response is:

7√23