singhsophie7
singhsophie7
02-06-2020
Mathematics
contestada
3a + b to the second power
Respuesta :
Kavyab12
Kavyab12
02-06-2020
Answer:
9a^2 + b^2
Step-by-step explanation:
(3a + b)^2
9a^2 + b^2
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