Respuesta :

Answer:

x = 8

Step-by-step explanation:

Hey Ssanchez673!

Let's get started!

x² + 4x = 4x + 64

Add like terms:

x² = 64

[tex]\sqrt{64}[/tex] = 8.

Therefore, [tex]$\boxed{x = 8}.$[/tex]

Check:

8² = 64.

64 + 32 = 4(8 + 16)

96 = 32 + 64

96 = 96

Thus, we are correct!