novarosell
14.07.2019 •
Mathematics
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
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Ответ:
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
Ответ:
-54ui54ntndjt48dgshfhudithuytru8yjttt
Step-by-step explanation: