SOLUTION: What is the square root of 84? I am having a lot of trouble simplifying perfect squares, and not just putting them in the decimal form. Thank you for your help.

Algebra ->  Square-cubic-other-roots -> SOLUTION: What is the square root of 84? I am having a lot of trouble simplifying perfect squares, and not just putting them in the decimal form. Thank you for your help.      Log On


   

Question 970184: What is the square root of 84? I am having a lot of trouble simplifying perfect squares, and not just putting them in the decimal form. Thank you for your help.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Completely factorize 84.


84=7%2A12=7%2A2%2A2%2A3


sqrt%2884%29=sqrt%282%2A2%2A3%2A7%29
2%2Asqrt%283%2A7%29
highlight%282sqrt%2821%29%29