SOLUTION: Perform the indicated operation and simplify: Ok so not sure about this one. Not even sure to put a square root symbol in this box. -3 square root 54 + 7 square root 24

Algebra ->  Square-cubic-other-roots -> SOLUTION: Perform the indicated operation and simplify: Ok so not sure about this one. Not even sure to put a square root symbol in this box. -3 square root 54 + 7 square root 24      Log On


   

Question 63636: Perform the indicated operation and simplify: Ok so not sure about this one. Not even sure to put a square root symbol in this box.
-3 square root 54 + 7 square root 24
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplfy:
-3sqrt%2854%29+%2B7sqrt%2824%29+=+-3sqrt%28%289%29%286%29%29+%2B+7sqrt%28%284%29%286%29%29 = %28-3%29%283%29sqrt%286%29+%2B+%287%29%282%29sqrt%286%29+=+-9sqrt%286%29+%2B+14sqrt%286%29 = 5sqrt%286%29