Question

urgente
$\sqrt{x - 5} + \sqrt{x } = 5$

Answer 1

$\sqrt{x-5} = 5-\sqrt{x} (\sqrt{x-5})^{2} = (5-\sqrt{x})^{2} x - 5 = 25 - 10\sqrt{x} + x 10\sqrt{x}=25+5 \sqrt{x}=\frac{30}{10} \sqrt{x} = 3 (\sqrt{x})^2=3^2 x=9$