Respuesta :

Answer:

x = ± 6

Step-by-step explanation:

To solve the equation let y = 0 , that is

0 = 36 - x² ( add x² to both sides )

x² = 36 ( take square root of both sides )

x = ± [tex]\sqrt{36}[/tex] = ± 6

That is x = - 6 or x = 6