Question

raiz de 2x+10 - raiz de x+1 - 2 = 0 porfavor

Answer 1

$\sqrt{2X+10} - \sqrt{X+1} =2$
ELEVANDO AL CUADRAD:
2X+10-2$\sqrt{(2X+10)(X+1)}$+X+1=4
3X+7=2$\sqrt{2 x^{2}+12X+10 }$
ELEVANDO AL CUADRADO
$9 x^{2} +42X+49=4(2 x^{2} +12X+10)$
$x^{2} -6X+9=0$
X=3