Question

2xal cuadrado menos 10 es igual a 38

Answer 1

$2x^{2} -10 = 38\\\\2x^{2}  = 38 +10\\\\2x^{2} = 48\\\\x^{2} = \frac{48}{2} \\\\x^{2}  = 24\\\\\sqrt{x^{2} } = \sqrt{24} \\\\x = 2\sqrt{6}$