Question

How do you simplify `5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)`?

Answer 1

`12-3sqrt3`

Explanation:

`5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)`
`=5sqrt3^2-5sqrt3xx2+7sqrt3-sqrt3^2`
`=5xx3-10sqrt3+7sqrt3-3`
`=15-10sqrt3+7sqrt3-3`
`=12-3sqrt3`