SOLUTION: Please help me simplify 5 sqrt 27 + 7 sqrt 3

Algebra ->  Radicals -> SOLUTION: Please help me simplify 5 sqrt 27 + 7 sqrt 3      Log On


   

Question 691060: Please help me simplify 5 sqrt 27 + 7 sqrt 3
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
simplify 5sqrt%2827%29+%2B+7sqrt%283%29
Factor inside the 1st radical to reveal a perfect square
5sqrt%289%2A3%29+%2B+7sqrt%283%29
Extract the square root of 9
5%2A3sqrt%283%29+%2B+7sqrt%283%29 = 15sqrt%283%29+%2B+7sqrt%283%29
Now we have like terms, just add them
22sqrt%283%29