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seropon [69]
3 years ago
7

(3a + 7) elevado al cuadrado es.​

Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0

Answer:

9a^2 + 42a + 49

Step-by-step explanation:

expand to (3a+7) (3a+7) then distribute then combine like terms

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