Question

agora efetue
$\sqrt{44 } - \sqrt{99}$

Answer 1

Bom dia!

$\sqrt{44}- \sqrt{99} \\ \\ \sqrt{4.11}- \sqrt{9.11}\\ \\ \sqrt{4} .\sqrt{11}-\sqrt{9}\sqrt{11}   \\ \\ 2\sqrt{11}-3\sqrt{11}  \\ \\ -\sqrt{11}$