Question

How do you simplify (-1 - 3 √(3) × (-1 - 3 √(3)

Answer 1

4 + 6√(3)

Explanation:

Two right parentheses seem to be missing here. I think you meant:

(-1 - 3 √(3) ) × (-1 - 3 √(3) )

and this is the square of a binomial. The resulting square is:

1 + 6√3 + 3, or 4 + 6√(3)