Question

Halle la solucion de: raiz cuadrada de 5 + x a la 2 = x+3

Answer 1

$\sqrt{5+ x^{2} } = x+3$

$( \sqrt{5+ x^{2} } ) ^{2} = (x+3) ^{2}$

$5+ x^{2} = x^{2} +6x +9$

5 = 6x + 9

5-9 = 6x

-4 = 6x

-4/6 = x

-2/3 = x