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dalvyx [7]
3 years ago
14

What are the factors of x²+81plz help me ​

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

Answer:

Step-by-step explanation:

x²+81=0

x²-(-81)=0

x²-(81×-1)=0

x²-81i²=0

x²-(9i)²=0

x²=(9i)²

(x+9i)(x-9i)=0

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