Respuesta :

Answer:

[tex]x = \sqrt{10} [/tex]

Step-by-step explanation:

[tex] - 5 {x}^{2} = - 50 \\ {x}^{2} = \frac{ - 50}{ - 5} \\ {x}^{2} = 10 \\ x = \sqrt{10} [/tex]