Question

How do you simplify `7[sqrt(3x)] - [sqrt(12x)]`?

Answer 1

`5sqrt(3x)`

Explanation:

You want to try and reduce radicals to have the same number inside.

`sqrt(12x) = sqrt4 * sqrt(3x) = 2sqrt(3x)`

`7[sqrt(3x)] = 7sqrt(3x)`

`7sqrt(3x) - 2sqrt(3x) = 5sqrt(3x)`