Resposta:
[tex]\sqrt{8} + \sqrt{50} -\sqrt{18} =\\\\2\sqrt{2} +\sqrt{50} -\sqrt{18} =\\\\2\sqrt{2} +5\sqrt{2} - \sqrt{18} =\\\\2\sqrt{2} + 5\sqrt{2} - 3\sqrt{2} =\\\\= 4\sqrt{2} \\\\\\\\Formulario\ alternativo\\= 5,65685[/tex]
Explicação passo-a-passo:
espero ter ajudado!!
