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romanna [79]
3 years ago
12

-x (bình phương) + 12x +220 =0

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

x = 22andx= -10

Step-by-step explanation:

-x ^ 2 + 12x + 220=0

⇒ x = 22 và x = -10

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