How do you simplify #(5+4sqrt3)(3+sqrt3)#?
Foil and combine like terms
Start by foiling. You should get
Using the FOIL method, you can multiply the two terms together using the numbers inside each set of parenthesis.
F means "first terms."
I means "inner terms."
O means "outer terms."
Finally, L means "last terms."
Add your four results together and simplify to complete the foil.
That is the expanded form.