Question

Problema. Tema Ecuaciones radicales
Raiz cuadrada de x+3 = 4

Answer 1

$\bold{Resolver \: la \: ecuaci\'on} \\\\ \sqrt{x+3} = 4 \\\\ \sqrt{(x+3)^{2} } = 4^{2} \\\\ x + 3 = 16 \\\\x=16-3 \\\\ \boldsymbol{x=13}$

$\bold{Comprobamos} \\\\ \sqrt{x+3} = 4 \\\\ \sqrt{(13)+3} = 4 \\\\ \sqrt{16} =4 \\\\ \boldsymbol{4=4}$