Question

How do you simplify `2sqrt216+6sqrt150`?

Answer 1

`sqrt(216) = sqrt(6^2*6) = 6sqrt(6)`
`sqrt(150)=sqrt(5^2*6) = 5sqrt(6)`

So
`2sqrt(216)+6sqrt(150)`

`= 2(6)sqrt(6) +6(5)sqrt(6)`

`=42sqrt(6)`