Question

Simplifique as expressoes ( de potencia)

A- (3n.3n+1.3n+2):3n+4

Answer 1

$\frac{3n.3n+1.3n+2}{3n + 4} = \\ \\ \frac{ 9n^{2}+3n+2 }{3n+4}= \\ \\ 3n+ 2 = \\ \\ n = \frac{2}{3}$