fallonnicoleee fallonnicoleee
  • 27-09-2019
  • Mathematics
contestada

How do you do this function (t - 4)(t + 4)

Respuesta :

AmbulantaDeAjutor
AmbulantaDeAjutor AmbulantaDeAjutor
  • 27-09-2019

Answer:

t^2-4^2= t^2-16

(a+b)(a-b)

Answer Link
SupaPreme
SupaPreme SupaPreme
  • 27-09-2019
Answer: t^2-16

Explanation:
Use FOIL (First Inner Outter Last)
So First: t x t = t ^2
Inner: t x 4 = 4t
Outter: -4 x t = -4t
4 x 4 = 16

Combine:
= t^2 + 4t - 4t + 16 (-4t + 4t = 0)
= t^2-16
Answer Link

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