Question

Simplifique a expressão √80 + √180​

Answer 1

$\sqrt{80}+\sqrt{180}=\\\\\sqrt{2^{2}\cdot 2^2\cdot5}+\sqrt{2^{2}\cdot 3^2\cdot5}=\\\\4\sqrt{5}+6\sqrt{5}=\\\\10\sqrt{5}$