Question

6 + 2 root 21
simplify ​

Answer 1

Answer:

this question answer is 15.1652

Answer 2

Answer:

34 is the correct answer friend

Step-by-step explanation:

$(6+ 2 \sqrt{21} \: ) (6 - 2 \sqrt{21}) \\ ({6})^{2} - {( \sqrt{2} })^{2} \\ 36 - 2 \\answer \: = 34$