Question

2(raiz 18) + 2(raiz 50) é igual a quanto ?

Answer 1

$\Large 2 \sqrt{18} + 2 \sqrt{50} =$

$\Large 2 \sqrt{9 \times 2} + 2 \sqrt {25 \times 2} =$

$\Large 2 \times 3\sqrt{2} + 2 \times 5 \sqrt{2}=$

$\Large 6\sqrt{2} + 10 \sqrt{2}= 16\sqrt{2}$