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Wittaler [7]
2 years ago
14

Help plz need it ASAP.

Mathematics
1 answer:
Fiesta28 [93]2 years ago
5 0

Answer:

<em>n = - 2 </em>

Step-by-step explanation:

( a ± b )² = a² ± 2ab + b²

~~~~~~~~~~~

n² + 4n + 4 = ( n + 2 )² = 0 ⇒ <em>n = - 2</em>  

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