Respuesta :

Answer:

x = 6 and -6

Step-by-step explanation:

x²-36 = 0

isolating x

x²-36+36 = 0+36

x²=36

√x² = √36

x = ±6

Answer:

(x-6)(x+6)

Step-by-step explanation:

First you write it in exponential for which is  x^2-6^2 then you factor it.