alan3477 alan3477

12-02-2021
Mathematics

contestada

(3a + 7) elevado al cuadrado es.

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DiamondGuyYT DiamondGuyYT

12-02-2021

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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