Question

calcule os produtos: m².(m+3m²)

Answer 1

Basta aplicar a distributiva : 

m² . ( m + 3m²) 

m².m + m².3m² 

$m^{2+1}+3m^{2+2}\\\\\\\boxed{\boxed{\boxed{m^{3}+3m^{4}}}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$