Question

como simplificar os radicais:

(3 x √3 - 2√2) x (√3+√2)

Answer 1

(3√3 - 2√2) x (√3+√2)
3√3.√3-2√2.√3+3√3√2-2√2√2
3√9-2√6+3√6-2√4
3.3+√6-2.2
9+√6-4
5+√6

Answer 2

$(3 \sqrt{3} -2 \sqrt{2})( \sqrt{3}+ \sqrt{2}) =\\ \\ 9 +3 \sqrt{6}-2 \sqrt{6}-4= \\ \\ \boxed{5+ \sqrt{6} }$