SOLUTION: √3y(√27y^2-√y) Simplify

Algebra ->  Radicals -> SOLUTION: √3y(√27y^2-√y) Simplify       Log On


   



Question 814620: √3y(√27y^2-√y) Simplify

Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
Assume we are starting with
sq-rt%283%29%28sq-rt%2827%29y%5E2-sq-rt%28y%29%29
Using distribution, ie a(b + c) = ab +ac
sq-rt%283%2A27%29y%2A+y%5E2%29 + sq-rt%283%29%2Ay+%28-sq-rt%28y%29%29
= sq-rt%2881%29%2A+y%5E3%29 - %28sq-rt%283y%29y%29%29+
= 9%2A+y%5E3%29 - %28sq-rt%283y%29y%29%29+