Subtract eight square root of 23 minus square root 23

1 answer

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

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

Thus, the result is:

\[ 7\sqrt{23} \]