Respuesta :

Answer:

x = 0, -2, 2

Step-by-step explanation:

This question is a bit confusing. I think you left out some important information or modified it yourself. Please try not to do that.

To answer this question, you must solve both sides of the equation.

Answer:

a^2 + 32

Step-by-step explanation:

replace x^2+4=a so replace x^2+4 with a