michellewilliam michellewilliam
  • 10-06-2014
  • Mathematics
contestada

multiply, (x+4)(x-4)  simplify answer.

Respuesta :

Tianbot123
Tianbot123 Tianbot123
  • 10-06-2014
I think it is:

(x+4)(x-4)
x(x-4)+4(x-4)
x2-4x+4x-16
x2-16
????????????
Answer Link
AL2006
AL2006 AL2006
  • 10-06-2014
That's the easily recognizable factored form of
the difference between two squares. Before
factoring, it was

x² - 16 .
Answer Link

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