anayahbailey11
anayahbailey11 anayahbailey11
  • 16-09-2018
  • Mathematics
contestada

Simplify to create an equivalent expression. −4(z+3)−4(5−4z)

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 16-09-2018

−4(z + 3) − 4(5 − 4z) =

= -4z - 12 - 20 + 16z

= 12z - 32

Answer Link
gmany
gmany gmany
  • 16-09-2018

[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]

Answer Link

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