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