Respuesta :

Answer:

[tex]4(x^{2} -4)^{2} -76[/tex]

Step-by-step explanation:

Take out 4:

4(x^2-8x)-12

=4(x^2-8x+16-16)-12

=4(x^2-8x+16)-64-12

=4(x^2-4)^2 - 76

=[tex]4(x^{2} -4)^{2} -76[/tex]