18Church2 18Church2

16-10-2020
Mathematics

contestada

(3a - 7)(-a^2 + 3a + 7)

Respuesta :

samkr14 samkr14

16-10-2020

Answer:

-3a³+16a²-49

Step-by-step explanation:

(3a-7)(-a²+3a+7)

-3a³+9a²+21a+7a²-21a-49

-3a³+16a²-49

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