Question

How do you simplify `3sqrt14 * 7sqrt6`?

Answer 1

`3sqrt(14)*7sqrt(6)`

`color(white)("XXXX")` `= (3*7)(sqrt(14)*sqrt(6))`

`color(white)("XXXX")` `= 21sqrt(84)`

`color(white)("XXXX")` `= 21 sqrt(2^2*21)`

`color(white)("XXXX")` `= 42sqrt(21)`