terriona19 terriona19

08-09-2020
Mathematics

contestada

6.
(x - 4)(x + 4) =
B) x + 16
C) X - 8x + 16
A)X? - 16
E) NOTA
D) x' + 8x + 16

Respuesta :

jimrgrant1 jimrgrant1

08-09-2020

Answer:

x² - 16

Step-by-step explanation:

Given

(x - 4)(x + 4)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x + 4) - 4(x + 4) ← distribute both parenthesis

= x² + 4x - 4x - 16 ← collect like terms

= x² - 16

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