Respuesta :

Stronmig000

Answer:

c is the answer

Step-by-step explanation:

Answer:

[tex] \sqrt{x + 10} - 1 = x \\ \sqrt{x + 10} = x + 1 \\ x + 10 = {(x + 1)}^{2} \\ x + 10 = {x}^{2} + 2x + 1[/tex]