Question

(3 + 2 √3) (5 - 3√3)

Answer 1

(3 + 2√3) (5 - 3√3)

15 - 9√3 + 10√3 - 6 (√3)²

15 + √3 - 6 . 3

15 + √3 - 18

- 18 + 15 + √3

- 3 + √3

Answer 2

Boa tarde Juliano!


Solução!

$(3+2 \sqrt{3})\times(5-3 \sqrt{3})\\\\\ (15-9 \sqrt{3}+10 \sqrt{3}-6 \sqrt{9})\\\\\ (15-9+10( \sqrt{3})-6\times3)\\\\\ (15+\sqrt{3}-18)\\\\\ (15-18+\sqrt{3})\\\\\\ (-3+ \sqrt{3})$



$\boxed{Resposta:~~(-3+ \sqrt{3})}$

Boa tarde!

Bons estudos!