Question

How would you simplify `(sqrt3 + 5)( sqrt3 - 3)`?

Answer 1

`-12+2sqrt3`

Explanation:

`color(orange)"Reminder "color(white)(x)sqrtaxxsqrta=a`

`"expand factors using FOIL"`

`rArr(sqrt3+5)(sqrt3-3)`

`=3-3sqrt3+5sqrt3-15`

`=-12+2sqrt3`