kailahbolton12 kailahbolton12

14-07-2019
Mathematics

contestada

If (x2 – 4) = (x + 2) = x -2, which polynomial should fill in the blank below?
(х + 2) х
= х2 – 4
х? – 4
ооо
x – 2
х+2
х? - 2

Respuesta :

mahamahmood95 mahamahmood95

14-07-2019

Step-by-step explanation:

use the identity a²-b²=(a-b)(a+b)

x²-4=(x-2)(x+2)

so the answer is x-2

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