Respuesta :
[tex]-4(z+3)-4(5-4z)\\\\\text{use distributive property}\\\\=(-4)(z)+(-4)(3)+(-4)(5)+(-4)(-4z)\\\\=-4z-12-20+16z\\\\=(-4z+16z)+(-12-20)\\\\=\boxed{12z-32}[/tex]
[tex]-4(z+3)-4(5-4z)\\\\\text{use distributive property}\\\\=(-4)(z)+(-4)(3)+(-4)(5)+(-4)(-4z)\\\\=-4z-12-20+16z\\\\=(-4z+16z)+(-12-20)\\\\=\boxed{12z-32}[/tex]