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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