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RUDIKE [14]
2 years ago
8

I need help with this please

Mathematics
1 answer:
earnstyle [38]2 years ago
5 0

Answer:

<h2>=9-12+12</h2>

Step-by-step explanation:

<h2>=n²- 4n + 12</h2><h2>=(3)²- 4(3) + 12</h2><h2>=9-12+12</h2>

I don't know if it's correct

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